GOALS AND OBJECTIVES OF GAS DISTRIBUTION NETWORKS OPTIMIZATION

Vestnik MGSU 4/2012
  • Tabunschikov Yuriy Andreevich - Moscow Architectural Institute (MARKHI) Doctor of Technical Sciences, Professor, Chair, Department of Engineering Systems of Buildings, Moscow Architectural Institute (MARKHI), 11 Rozhdestvenka St., Moscow, 107031, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Prokhorov Vitaly Ivanovich - Moscow State University of Civil Engineering (MSUCE) +7 (499) 183-26-92, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation.
  • Bryukhanov Oleg Nikolaevich - Moscow State University of Civil Engineering (MSUCE) : 8 (499) 183-26-92, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation.
  • Zhila Victor Andreevich - Moscow State University of Civil Engineering (MSUCE) Candidate of Technical Sciences, Professor, Department of Heating Facilities and Heat/Gas Supply, +7 (499) 183-26-92, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Klochko Alexey Konstantinovich - Moscow State University of Civil Engineering (MSUCE) assistant lecturer, Department of Heating Facilities and Heat/Gas Supply, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 73 - 77

Presently, no uniform methodology of identification of optimal costs of construction of gas distribution networks is available. The amount of work, and, hence, its cost, are identified empirically; therefore, they are insufficiently substantiated by feasibility studies. At best, the problem of optimization is reduced to simple examination of various options.
The problem to be resolved by the method of search optimization may be stated in the following manner:
Two consumers are to obtain access to the gas supply. Their positions in the arbitrary coordinate system are available (; ). The high pressure gas distribution line of a gas distribution network is located at some distance from the aforementioned consumers. It can be represented as follows: = +. Gas control unit installation is required to assure gas pressure reduction.
Goal 1: positioning of a gas control unit to assure the lowest possible cost of the gas distribution network construction.
Goal 2: solution to the above problem turns more complicated, if the line of the gas distribution network required to connect the designed gas pipeline extension is long. In this case, besides the identification of the optimal coordinates of a gas control unit, it is also necessary to find the point of connection to the gas control unit, for the cost of the gas distribution network to be as low as possible.
Goal 3: some sections of gas distribution networks pass through or over natural or artificial barriers. In the event of such restrictions, the search for the optimal point of connection to the gas control unit turns more labor-intensive and challenging.
To sum up the above statements, the authors demonstrate that rational design of gas distribution networks brings essential economic benefits.

DOI: 10.22227/1997-0935.2012.4.73 - 77

References
  1. SNiP 42-01—2002. Gazoraspredelitel'nye sistemy. [Construction Rules and Regulations 42-01—2002. Gas Distribution Networks]. St. Petersburg, 2004, 80 p.

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MODELING AND OPTIMIZATION OF THE AEROCONCRETE TECHNOLOGY

Vestnik MGSU 4/2012
  • Zhukov Aleksey Dmitrievich - Moscow State University of Civil Engineering (MSUCE) C andidate o f Technical S ciences, A ssociated P rofessor, D epartment of Technology of Finishing and Insulating Materials, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoeshosse, Moscow, 129337, Russia; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Chugunkov Aleksandr Viktorovich - Moscow State University of Civil Engineering (MGSU) Director, Department of Examination of Buildings, postgraduate student, Department of Technology of Finishing and Insulation Materials, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Gudkov Pavel Kirillovich - Moscow State University of Civil Engineering (MSUCE) Engineer, Web-editor, Editorial and Publishing Centre, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 155 - 159

Heat-insulating cellular concrete manufactured in the variotropic pressure environment, may be used both for making single-piece products, and for monolithic construction purposes. Optimization of technology-related parameters prevents excessive consumption of principal components, while output products maintain pre-set characteristics. Both the product and the technology are based on the provisions of the general methodology of development of highly porous materials.
The technology is based on the principle of adjustable formation of the state of stress in the variotropic pressure environment. The state of stress maintained in the course of blowout contributes to formation of optimized cellular structure (in accordance with the criteria that include the shape, dimensions of pores, and characteristics of interpore partitions).
The process of manufacturing of the heat-insulating cellular concrete breaks down into the following stages: preparation of raw materials, preparation of the cellular concrete mixture, casting of products, thermal processing or ageing in the natural environment. Products are placed under heating domes, equipped with electric heaters, and exposed to heat treatment for six hours. Before the heat treatment, products are kept in their moulds for four hours. In the absence of heat treatment, products are kept on their pallets for 14 days.
Selection of the appropriate composition and optimal technological parameters is performed with the help of G-BAT-2011 software programme developed at MSUCE. The software is based on the methodology that is based on complete factorial experiments, experiments based on fractional replicates and testing of all essential statistical hypotheses. Linear, incomplete quadratic and quadratic equations generated as a result of experiments make it possible to design a model that represents natural processes in the adequate manner. The model is analytically optimized and interpreted thereafter.

DOI: 10.22227/1997-0935.2012.4.155 - 159

References
  1. Zhukov A.D., Chugunkov A.V. Lokal'naya analiticheskaya optimizatsiya tehnologicheskikh protsessov [Local Analytical Optimization of Technology-related Processes]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2011, no. 1, vol. 2, pp. 273—278.
  2. Zhukov A.D., Chugunkov A.V. Rudnitskaya V.A. Reshenie tehnologicheskikh zadach metodami matematicheskogo modelirovaniya [Resolution of Technology-related Problems by Methods of Mathematical Modeling]. Moscow, MSUCE, 2011, 176 p.

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DEVELOPMENT OF THE ALGORITHM AND THE COMPUTER-AIDED PROGRAMME FOR OPTIMIZATION OF THE PROCESS OF SELECTION OF THE TRENCHLESS METHOD OF RENOVATION OF PRESSURE AND PRESSURE-FREE PIPELINES

Vestnik MGSU 4/2012
  • Orlov Vladimir Aleksandrovich - Moscow State University of Civil Engineering (National Research University) (MGSU) Doctor of Technical Sciences, Professor, Head of the Department of Water Supply and Waste Water Treatment, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Zotkin Sergey Petrovich - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Sciences, Professor, Department of Informatics and Applied Mathematics, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Orlov Evgeniy Vladimirovich - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Scienc- es, Associate Professor, Department of Water Supply, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Maleeva Anna Vladimirovna - Moscow State University of Civil Engineering (MSUCE) master student, Department of Water Supply, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russ; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 181 - 186

The factors of impact onto the process of selection of the optimal method of renovation of pressure and pressure-free pipes are considered in the article. The programme algorithm, input and output user information, the sequence of actions within the framework of the user-to-software interaction are presented, and the optimal renovation method is provided. The software programme is designated for researchers, designers and specialists of construction companies and design firms.
The output data are arranged as a bar chart that covers the cost of work, the timing of work, as well as the time, technology and hydraulics-related factors that impact the choice of a trenchless renovation method characterized by the smallest average-weighted indicator.

DOI: 10.22227/1997-0935.2012.4.181 - 186

References
  1. Khramenkov S.V., Orlov V.A., Khar'kin V.A. Optimizatsiya vosstanovleniya vodootvodyashchikh setey [Optimization of Repair of Water Disposal Networks]. Moscow, Stroyizdat Publ., 2002, 159 p.
  2. Orlov V.A. Stroitel'stvo i rekonstruktsiya inzhenernyh setey i sooruzheniy [Construction and Restructuring of Engineering Networks and Structures]. Akademiya Publ., 2010, 301 p.

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Inverse problemfor an inhomogeneous elastic beam at a combined strength

Vestnik MGSU 1/2014
  • Andreev Vladimir Igorevich - Moscow State University of Civil Engineering (National Research University) (MGSU) Doctor of Technical Sciences, Professor, corresponding member of Russian Academy of Architecture and Construction Sciences, chair, Department of Strength of Materials, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Barmenkova Elena Vyacheslavovna - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Science, Associate Professor, Department of the Strength of materials, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Matveeva Alena Vladimirovna - Moscow State University of Civil Engineering (MGSU) postgraduate student, Department of the Strength of materials, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 25-32

In the article the authors describe a method of optimizing the stress state of an elastic beam, subject to the simultaneous action of the central concentrated force and bending moment. The optimization method is based on solving the inverse problem of the strength of materials, consisting in defining the law of changing in elasticity modulus with beam cross-section altitude. With this changing the stress state will be preset. Most problems of the elasticity theory of inhomogeneous bodies are solved in direct formulation, the essence of which is to determine the stress-strain state of a body at the known dependences of the material elastic characteristics from the coordinates. There are also some solutions of the inverse problems of the elasticity theory, in which the dependences of the mechanical characteristics from the coordinates, at which the stress state of a body is preset, are determined. In the paper the authors solve the problem of finding a dependence modulus of elasticity, where the stresses will be constant over the beam’s cross section. We will solve the problem of combined strength (in the case of the central stretching and bending). We will use an iterative method. As the initial solution, we take the solution for a homogeneous material. As the first approximation, we consider the stress state of a beam, when the modulus of elasticity varies linearly. According to the results, it can be stated that three approximations are sufficient in the considered problem. The obtained results allow us to use them in assessing the strength of a beam and its optimization.

DOI: 10.22227/1997-0935.2014.1.25-32

References
  1. Sobolevskiy V.V. Nekotorye sluchai integrirovaniya obyknovennogo differentsial'nogo uravneniya, opisyvayushchego napryazhennoe sostoyanie anizotropnogo neodnorodnogo i neravnomerno nagretogo pologo shara [Some Cases of Integration of an Ordinary Differential Equation Describing the Stress State of Anisotropic Inhomogeneous and Non-uniformly Heated Hollow Sphere]. Izvestiya AN BSSR. Seriya Fiziko-tekhnicheskikh nauk [News of the Academy of Sciences of Belorussia. Physical and Technical Sciences Series]. 1963, no. 2, pp. 20—29.
  2. Zhitkov P.N. Ploskaya zadacha teorii uprugosti neodnorodnogo ortotropnogo tela v polyarnykh koordinatakh [The Plane Problem of Elasticity Theory of Inhomogeneous Orthotropic Body in Polar Coordinates]. Trudy Voronezhskogo gosudarstvennogo universitetata. Fiz.-mat.: sbornik [Works of Voronezh State University. Physics and Mathematics: Collection]. 1954, vol. XXVII, pp. 30—35.
  3. Rostovtsev N.A. K teorii uprugosti neodnorodnykh tel [The Theory of Elasticity of Inhomogeneous Bodies]. Prikladnaya matematika i mekhanika [Applied Mathematics and Mechanics]. 1964, vol. 28, no. 4, pp. 601—611.
  4. Lekhnitskiy S.G. Radial'noe raspredelenie napryazheniy v kline i poluploskosti s peremennym modulem uprugosti [The Radial Distribution of Stresses in the Wedge and Half-plane with Variable Modulus of Elasticity]. Prikladnaya matematika i mekhanika [Applied Mathematics and Mechanics]. 1962, vol. XXVI, no. 1, pp. 146—151.
  5. Torlin V.N. Pryamaya i obratnaya zadachi teorii uprugosti dlya neodnorodnogo tela [Direct and Inverse Problems of the Theory of Elasticity for an Inhomogeneous Body]. Prikladnaya mekhanika [Applied Mechanics]. 1976, vol. XII, no. 3, pp. 28—35.
  6. Andreev V.I., Potekhin I.A. O sposobe sozdaniya optimal'nykh konstruktsiy na osnove resheniya obratnykh zadach teorii uprugosti neodnorodnykh tel [On the Method of Creating Optimal Constructions Basing on the Solution of Inverse Problems of the Elasticity Theory of Inhomogeneous Bodies]. RAASN, Vestnik otdeleniya stroitel'nykh nauk [Russian Academy of Construction Sciences. Proceedings of the Department of Construction Sciences]. 2007, no. 11, pp. 48—52.
  7. Andreev V.I. Optimization of Thick-walled Shells Based on Solutions of Inverse Problems of the Elastic Theory for Inhomogeneous Bodies. Computer Aided Optimum Design in Engineering. 2012, pp. 189—202.
  8. Kravanja S., ?lender B. Optimization of the Underground Gas Storage in Different Rock Environments. Computer Aided Optimum Design in Engineering. 2012, pp. 15—26.
  9. Issa H.K. Simplified Structural Analysis of Steel Portal Frames Developed from Structural Optimization. Computer Aided Optimum Design in Engineering. 2012, pp. 47—58.
  10. Syngellakis S. Longitudinal Buckling of Slender Pressurized Tubes. Fluid Structure Interaction XII. 2013, pp. 133—144.

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Comparative analysis of the construction solution variants for flat arch coverings of buildings

Vestnik MGSU 3/2014
  • Ibragimov Aleksandr Mayorovich - Ivanovo State Polytechnical University (IvGPU) Doctor of Technical Sciences, Professor, advisor, Russian Academy of Architecture and Construction Sciences, head, Department of Architecture and Graphics, Ivanovo State Polytechnical University (IvGPU), 20, 8 Marta st., Ivanovo, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Kukushkin Igor’ Sergeevich - Ivanovo State Polytechnical University (IvGPU) postgraduate student, assistant, Department of Building Structures, Ivanovo State Polytechnical University (IvGPU), 20, 8 Marta st., Ivanovo, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 59-66

Arch structures of long span buildings’ coverings are more beneficial in respect to material expenses, than beam and frame systems. Constructive schemes of roof frameworks of arch coverings are diverse, which means their operation under loading differs much. The authors offer a number of construction solutions for flat arch coverings of long span buildings. The comparative analysis of these construction solutions is presented. The operation of radial link arch is observed. The arch consists of discontinuous top chord and radial bowstring under the single load (uniformly distributed and concentrated in nods) with different spans and rises. The problem of radial link arch optimization is solved in dependence with arising forces and rise. The optimal camber of arch was found. In further works the authors plan to analyze spans more than 36 meters and solve the problem in case of asymmetrical loadings.

DOI: 10.22227/1997-0935.2014.3.59-66

References
  1. Eremeev P.G. Spravochnik po proektirovaniyu sovremennykh metallicheskikh konstruktsiy bol'sheproletnykh pokrytiy [Reference book on Design of Contemporary Metal Structures of Long Span Coverings]. Moscow, ASV Publ., 2011, 256 p.
  2. Ibragimov A.M., Kukushkin I.S. Analiz «zhivuchesti» luchevoy arki [Analysis of Radial Arch Durability]. Promyshlennoe i grazhdanskoe stroitel'stvo [Industrial and Civil Engineering]. 2013, no. 8, pp. 63—65.
  3. Ibragimov A.M., Kukushkin I.S. Stropil'naya konstruktsiya — luchevaya khordovaya arka [Building Structure — Radial Link Arch]. Promyshlennoe i grazhdanskoe stroitel'stvo [Industrial and Civil Engineering]. 2013, no. 9, pp. 49—51.
  4. Eremeev P.G. Osobennosti proektirovaniya unikal'nykh bol'sheproletnykh zdaniy i sooruzheniy [Design Features of Unique Long Span Buildings and Structures]. Sovremennoe promyshlennoe i grazhdanskoe stroitel'stvo [Contemporary Industrial and Civil Engineering]. 2006, no. 1, vol. 2, pp. 5—15.

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Development of a computer-aided design system for optimization of steel trusses

Vestnik MGSU 2/2015
  • Vasil’kin Andrey Aleksandrovich - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Sciences, Associate Professor Department of Metal Structures, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (499) 183-37-65; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Shcherbina Sergey Viktorovich - Moscow State University of Civil Engineering (MGSU) postgraduate student, Department of Mechanical Equipment, Machine Elements and Metal Technology, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 21-37

The optimization of the construction solutions for building structures is obviously reasonable because in case of making optimal solutions the cost of construction and further operation can be essentially cut. Relatively small changes in construction solutions may lead to essential changes on the stage of construction and operation. According to the traditional approach a designer usually develops a limited number of variants, consideration of which doesn’t guarantee the closeness of the final result to optimum. That means, the problem of the development of new and optimization of the existing optimization methods for design solutions remains current. The article is devoted to the current problems of choosing the optimal design solution for steel structures of industrial buildings. The authors offered an algorithm for computer-aided design and obtained a design solution on the example of a truss implemented in PC ANSYS. As optimization variables the truss height, steel grade and element section type are considered. The algorithm allows determining the value of the minimum truss weight for trusses of various classes and types of section. Also the corresponding optimum truss height is estimated, which gives a minimum design weight for different types of sections.

DOI: 10.22227/1997-0935.2015.2.21-37

References
  1. Likhtarnikov Ya.M. Variantnoe proektirovanie i optimizatsiya stal’nykh konstruktsiy [Trial Design and Optimization of Steel Structures]. Moscow, Stroyizdat Publ., 1979, 319 p. (In Russian)
  2. Dzyuba A.S., Lipin E.K. Optimal’noe proektirovanie silovykh konstruktsiy minimal’nogo ob”ema pri ogranicheniyakh po prochnosti i ustoychivosti [Optimal Design of Load-Bearing Structures at the Minimum Amount of Restrictions for Strength and Stability]. Uchenye zapiski TsAGI [Scientific Notes of Central Aerohydrodynamic Institute]. 1980, vol. 11, no. 1, pp. 58—71. (In Russian)
  3. Ginzburg A.V., Vasil’kin A.A. Postanovka zadachi optimal’nogo proektirovaniya stal’nykh konstruktsiy [Problem Statement for Optimal Design of Steel Structures]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2014, no. 6, pp. 52—62. (In Russian)
  4. Volkov A.A., Vasil’kin A.A. Razvitie metodologii poiska proektnogo resheniya pri proektirovanii stroitel’nykh metallokonstruktsiy [Development of the Methodology of the Design Decision Searching in the Process of Structural Metalwork Design]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2014, no. 9, pp. 123—137. (In Russian)
  5. Struchenkov V.I. Matematicheskie modeli i metody optimizatsii v sistemakh proektirovaniya trass novykh zheleznykh dorog [Mathematical Models and Optimization Techniques in Design Systems of New Railways Tracks]. Informatsionnye tekhnologii [Information Technologies]. 2013, no. 7, pp. 7—17. (In Russian)
  6. Mel’nikov N.P., editor. Metallicheskie konstruktsii. Spravochnik proektirovshchika [Metal Structures. Designer’s Guide]. Moscow, Stroyizdat Publ., 1980, 776 p. (In Russian)
  7. Gusakov A.A., editor. Sistemotekhnika [Systems Engineering]. Moscow, Fond «Novoe tysyacheletie» Publ., 2002, 768 p. (In Russian)
  8. Perel'muter A.V., Kriksunov E.Z., Karpilovskiy V.S., Malyarenko A.A. Integrirovannaya sistema dlya rascheta i proektirovaniya nesushchikh konstruktsiy zdaniy i sooruzheniy SCAD OFFICE. Novaya versiya, novye vozmozhnosti [Integrated System for Calculation and Design of Load-Bearing Structures of Buildings and Structures SCAD OFFICE. New Version, New Features]. Inzhenerno-stroitel’nyy zhurnal [Magazine of Civil Engineering]. 2009, no. 2, pp. 10—12. (In Russian)
  9. Volkov A.A., Belyaev A.V., Davydov E.A., Yudin S.V. Nekotorye zadachi avtomatizatsii proektirovaniya v stroitel’stve [Some Problems of Design Automation in Construction]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2010, no. 4, pp. 256—261. (In Russian)
  10. Shelofast V.V., Kulikov V.G., Al’ Khammadi, Yakovlev A.S. Avtomatizirovannoe proektirovanie zdaniy i sooruzheniy [Computer-aided Design of Buildings and Structures]. Promyshlennoe i grazhdanskoe stroitel’stvo [Industrial and Civil Engineering]. 2011, no. 9, pp. 49—51. (In Russian)
  11. Fedorik F. Efficient Design of a Truss Beam by Applying First Order Optimization Method. 11th International Conference of Numerical Analysis and Applied Mathematics 2013, ICNAAM. 2013, vol. 1558, issue 1, pp. 2171—2174. 1 DOI: http://dx.doi.org/10.1063/1.4825968.
  12. Clear J. Sistemologiya. Avtomatizatsiya resheniya sistemnykh zadach [Automation of System Tasks Solutions]. Transl, from English. Under the editorship of A.I. Gorlin. Moscow, Radio i svyaz' Publ., 1990, 544 p. (In Russian)
  13. Atkin A.V. Proektirovanie i realizatsiya avtomatizirovannoy sistemy dlya rascheta ploskikh sterzhnevykh sistem na osnove ob”ektno-orientirovannogo podkhoda [Design and Implementation of an Automated System for Calculation of Flat Bar Systems Basing On Object-Oriented Approach]. Internet-vestnik VolgGASU. Seriya: Stroitel’naya informatika [Internet Proceedings of the Volgograd State University of Architecture and Civil Engineering. Series: Construction Informatics]. 2007, no. 2 (4). Available at: http://vestnik.vgasu.ru/attachments/atkin_rus.pdf. (In Russian)
  14. Yang H., Chang Z., Hu J., Zhang Q. Integrated CAD software for steel frame detailing. Proceedings — 2010 2nd WRI World Congress on Software Engineering, WCSE 2010. 2010, vol. 1, art. 5718303, pp. 237—240. DOI: http://dx.doi.org/10.1109/WCSE.2010.60.
  15. Lebed' E.V., Atkin A.V., Romashkin V.N. Realizatsiya komp'yuternogo geometricheskogo modelirovaniya prostranstvennykh sterzhnevykh sistem [Implementation of Computer Geometrical Modeling of Spatial Rod Systems]. Vestnik Rossiyskogo universiteta druzhby narodov. Seriya: Inzhenernye issledovaniya [Bulletin of People's Friendship University. Series: Engineering Studies]. 2010, no. 2, pp. 141—150. (In Russian)
  16. Kala Z., Kala J. Sensitivity Analysis of Stability Problems of Steel Structures Using Shell Finite Elements and Nonlinear Computation Methods. International Conference on Numerical Analysis and Applied Mathematics: Numerical Analysis and Applied Mathematics, ICNAAM. 2011, vol. 1389, pp. 1865—1868. DOI: http://dx.doi.org/10.1063/1.3636974.
  17. Sacks R., Warszawski A., Kirsch U. Structural Design in an Automated Building System. Automation in Construction. 2000, vol 10, issue 1, pp. 181—197. DOI: http://dx.doi.org/10.1016/S0926-5805(00)00074-1.
  18. Sobolev Yu.V., Okulov P.D. Proektirovanie stal’nykh stropil’nykh ferm iz effektivnykh profiley [Design of Steel Trusses of Effective Profiles]. Moscow, MISI Publ., 1990, 105 p. (In Russian)
  19. Vasil’kin A.A., Shcherbina S.V., Sukach A.A. Opyt chislennogo opredeleniya optimal’noy vysoty stropil’noy fermy na etape variantnogo proektirovaniya [Experience of the Numerical Estimation of the Optimal Height of a Construction Truss on Trial Design Stage]. Naukoemkie tekhnologii i innovatsii : sbornik dokladov Yubileynoy Mezhdunarodnoy nauchno-prakticheskoy konferentsii [High Technologies and Innovations: a Collection of Papers of the Anniversary International Scientific and Practical Conference]. Belgorod, BGTU Publ., 2014, part. 2, pp. 3—11. (In Russian)

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DEVELOPMENT OF A MODEL OF AN EQUAL STRESS CYLINDER BASED ON MOHR’S STRENGTH THEORY

Vestnik MGSU 5/2013
  • Chepurnenko Anton Sergeevich - Don State Technical University (DGTU) Candidate of Engineering Science, teaching assistant of the strength of materials department, Don State Technical University (DGTU), 162 Sotsialisticheskaya str., Rostov-on-Don, 344022; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Andreev Vladimir Igorevich - Moscow State University of Civil Engineering (National Research University) (MGSU) Doctor of Technical Sciences, Professor, corresponding member of Russian Academy of Architecture and Construction Sciences, chair, Department of Strength of Materials, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Yazyev Batyr Meretovich - Rostov State University of Civil Engineering (RSUCE) Doctor of Technical Sciences, Professor, Chair, Depart- ment of Strength of Materials; +7 (863) 201-91-09, Rostov State University of Civil Engineering (RSUCE), 162 Sotsialisticheskaya St., Rostov-on-Don, 344022, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 56-61

The authors have employed analytical methods to identify the nature of dependence of the elastic modulus distribution over the thickness of a cylinder, loaded by internal pressure p , if the equivalent stress is the same in all points, according to Mohr’s theory of strength. The problem in which dependence of an elastic modulus is to be identified along the radius, and the stress value is available, is called the inverse prob- lem. The idea of the method is that if a certain area of a body has the value of its elastic modulus lower than the one in the homogeneous material, stresses in this area are also reduced. The problem is solved for the case of plane strain and plane stress in the elastic formulation. It is proven that assurance of artificial heterogeneity reduces the maximal equivalent stress. Therefore, we have taken two variants of shells: one having inner radius a = 1 m and outer radius b = 2 m, the other one having inner radius a = 1 m and outer radius b = 0.52 m. The value of the maximal equivalent stress calculated using Mohr’s theory reduces almost two-fold in the first case and 1.5-fold in the second case. Moreover, the use of non-uniform thick-walled cylinders can significantly reduce their thickness with the value of the internal pressure being the same. In our case, the shell thickness reduces from 1 m to 0.52 m, which is almost 2 times. We also proven that the first, second and third strength theories in the case of an axisymmetric problem are the special cases of Mohr’s strength theory. This result coincides with well-known analytical and numerical solutions.

DOI: 10.22227/1997-0935.2013.5.56-61

References
  1. Andreev V.I., Potekhin I.A. O ravnoprochnykh i ravnonapryazhennykh konstruktsiyakh [About Equal Strength and Equal Stress Structures]. Sb. tr. Voronezh. gos. arkh.-stroit. un-t. [Collection of Works. Voronezh State University of Architecture and Civil Engineering]. 2007, pp. 84—90.
  2. Andreev V.I. Nekotorye zadachi i metody mekhaniki neodnorodnykh tel [Some Problems and Methods of Mechanics of Heterogeneous Bodies]. Moscow, ASV Pub., 2002, 288 p.
  3. Andreev V.I. Uprugoe i uprugo-plasticheskoe ravnovesie tolstostennykh tsilindricheskikh i sfericheskikh nepreryvno-neodnorodnykh tel [Elastic and Elastoplastic Equilibrium of Thickwalled Cylindrical and Spherical Continuously Heterogeneous Bodies]. Moscow, 1986, 427 p.
  4. Andreev V.I. Optimization of Thick-walled Shells Based on Solutions of Inverse Problems of the Elastic Theory for Inhomogeneous Bodies. Computer Aided Optimum Design in Engineering XII (OPTI XII). WIT Press. 2012, pp. 189—201.
  5. Yazyev B.M. Nelineynaya polzuchest’ nepreryvno neodnorodnykh tsilindrov [Non-linear Creeping of Continuously Heterogeneous Cylinders]. Moscow, 1990, 171 p.
  6. Andreev V.I., Potekhin I.A. O sposobe sozdaniya optimal’nykh stroitel’nykh konstruktsiy na osnove resheniya obratnykh zadach teorii uprugosti neodnorodnykh tel [Method of Development of Optimal Structural Units on the Basis of Solutions to Inverse Problems of Theory of Elasticity of Heterogeneous Bodies]. Vestnik stroit. nauk. [Herald of Civil Engineering Sciences]. 2007, no. 11, pp. 48—52.
  7. Andreev V.I., Potekhin I.A. Postroenie modeli ravnonapryazhennogo tsilindra na osnove vtoroy i chetvertoy teorii prochnosti [Development of a Model of an Equal Stress Cylinder on the Basis of the Second and Fourth Theories of Strength]. Teoreticheskie osnovy stroitel’stva. Tr. XVI Slovatsk.-ross.-pol’sk. sem. [Theoretical Fundamentals of Construction. Works of the 16th Slovak-Russian-Polish Seminar]. Moscow, 2007, pp. 29—34.
  8. Potekhin I.A. Sposob optimizatsii konstruktsiy na osnove resheniya obratnykh zadach teorii uprugosti neodnorodnykh tel [Method of Optimization of Structures on the Basis of Solution to Inverse Problems of the Theory of Elasticity of Heterogeneous Bodies]. Moscow, 2009, 144 p.
  9. Andreev V.I., Potekhin I.A. Iteratsionnyy metod postroeniya modeli ravnoprochnogo tsilindra [Iterative Method for Development of a Model of an Equally Strong Cylinder]. Stroitel’naya mekhanika inzhenernykh konstruktsiy i sooruzheniy [Structural Mechanics of Engineering Constructions and Structures]. 2008, no. 1, pp. 45—49.
  10. Andreev V.I., Potekhin I.A. Modelirovanie ravnoprochnogo tsilindra na osnove iteratsionnogo podkhoda [Modeling of an Equally Strong Cylinder on the Basis of Iterative Approach]. International Journal for Computational Civil and Structural Engineering. 2008, vol. 4, no. 1, pp. 79—84.
  11. Zhenhai Guo, Xudong Shi. Experiment and Calculation of Reinforced Concrete at Elevated Temperatures. Butterworth-Heinemann, 2011, 226 p.
  12. Bin Yang, Jinhua Huang, Chunjiao Lin, Xinkun Wen. Temperature Effects and Calculation Method of Closure Temperatures for Concrete-filled Steel Tube Arch Rib of Dumbbellshape Section. The Open Civil Engineering Journal. 2011, no. 5, pp. 179—189. Available at: http://www.benthamscience.com/open/tociej/articles/V005/179TOCIEJ.pdf.
  13. Litvinov C.B., Yazyev S.B., Yazyeva S.B. Ploskaya deformatsiya neodnorodnykh mnogosloynykh tsilindrov s uchetom nelineynoy polzuchesti [Plane Deformation of Heterogeneous Multilayered Cylinders with Account for Nonlinear Creeping]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2010, no. 1, pp. 128—132.
  14. Aleksandrov A.V., Potapov V.D., Derzhavin B.P.; Aleksandrov A.V., editor. Soprotivlenie materialov [Resistance of Materials]. Moscow, Vyssh. Shk. Publ., 2003, 560 p.

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Optimization of constructions with grates made of round and oval tubes

Vestnik MGSU 10/2016
  • Marutyan Aleksandr Surenovich - the branch of North Caucasus State Technical University in Pyatigorsk (NCFU) Candidate of Technical Sciences, Associate Professor, Department of Construction, the branch of North Caucasus State Technical University in Pyatigorsk (NCFU), 56 prospekt 40 let Oktyabrya, Pyatigorsk, 357500, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Orobinskaya Valeriya Nikolaevna - the branch of North Caucasus State Technical University in Pyatigorsk (NCFU) Candidate of Technical Sciences, leading research worker, Department of Planning and Organization of Research Work, the branch of North Caucasus State Technical University in Pyatigorsk (NCFU), 56 prospekt 40 let Oktyabrya, Pyatigorsk, 357500, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 45-57

The gathered experience of design and construction of objects with the use of grid structures confirms the expediency, efficiency and flexibility of their minimum technical solutions providing increased strength and resistance to progressive collapse. From the general range of modern metal designs using shaped tubes (bent and welded profiles) the article observes blocks of roofs and ceilings made of cross-type farms «Pyatigorsk» as the most step-ahead solutions. Due to the small size they are conventionally classified as «pocket» modules produced all-welded. Prospects of the use of shaped tubes of round and oval cross-sections for further modernization of farms and other cross-lattice structures are presented. The article demonstrates quite acceptable accuracy and ease of optimization calculation of oval cross sections according to an approximation method. The authors describe a new technical solution for lattice structures, which contributes to the improvement of their technical and economic characteristics. Reduction in the consumption of structural material when implementing such a solution is discovered by the example of roof trusses, as well as increase of the reliability and structural safety of buildings and structures by approximation of lattice structures to their design schemes (models) in the form hinged-rod systems.

DOI: 10.22227/1997-0935.2016.10.45-57

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TRIANGULAR TRUSSES FOR ROOFS (FLOORS) AND OPTIMIZATION OF THEIR DEPTHS

Vestnik MGSU 2/2017 Volume 12
  • Marutyan Aleksandr Surenovich - Institute of Service, Tourism and Design (ISTD), Branch of North Caucasus Federal University (NCFU) in Pyatigorsk Candidate of Technical Sciences, Associate Professor, Department of Construction, Institute of Service, Tourism and Design (ISTD), Branch of North Caucasus Federal University (NCFU) in Pyatigorsk, 56 40 Let Oktyabrya prospekt, Pyatigorsk, 357500, Russian Federation.
  • Orobinskaya Valeriya Nikolaevna - Institute of Service, Tourism and Design (ISTD), Branch of North Caucasus Federal University (NCFU) in Pyatigorsk Candidate of Technical Sciences, Leading Researcher, Department of Planning and Organization of Research Work, Institute of Service, Tourism and Design (ISTD), Branch of North Caucasus Federal University (NCFU) in Pyatigorsk, 56 40 Let Oktyabrya prospekt, Pyatigorsk, 357500, Russian Federation.

Pages 172-183

New technical solutions relating to triangular (three-chord) trusses for roofs (floors) are presented. In one of them for compressed-flexural elements of chords, Z-shaped built-up sections made of paired angle bars of assortment of structures of the TsNIISK, Moskva types are used instead of double-tee sections. In another solution, for gussetless nodal connections of rectangular tubes, the centering of these nodes on the ribbing of elements of chords with a V-shaped preparation of tip edges of elements of webs is used. For steel triangular roof trusses, optimal dimensions of their depths for which the usage of constructional material is minimal are given. These dimensions are 1/20...1/12 of the span and are obtained from the equality of masses of chord and web elements, taking into account the optimal inclination angles of braces. Acceptable convergence of the obtained results confirmed by the experience in the design of prestressed truss structures and optimization of structural designs of the TsNIISK type, taking into account new changes of boundary conditions, is shown. Sphere of effective application of the considered structures is defined. Thus, it can be concluded that the proposed technical solutions as to the triangular trusses for roofs (floors) are quite rational and promising for use in load-bearing structures of buildings and installations, and the optimization of depths of such trusses generalizes, to a certain extent, the widespread practice of calculating and designing thereof. The sphere of effective application of the considered triangular trusses can include lightweight metallic structures made of closed roll-welded sections (shaped tubes), rolled shapes and slender galvanized sections. Constituent part of this sphere can be presented by triangular (three-chord) trusses, shaping space frame systems in a form of space frames (see Fig. 1, а ) or crossed (see Fig. 5, в ) structures, and the technical and economic characteristics of these structures can be significantly improved due to rigid discs made of composite (steel reinforced concrete) slabs with permanent formwork and external reinforcement.

DOI: 10.22227/1997-0935.2017.2.172-183

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Research OF THE spatial structure node connector made of A MASSIVE COMPONENT

Vestnik MGSU 2/2017 Volume 12
  • Alpatov Vadim Yur’evich - Architecture and Civil Engineering Institute (ACEI), Samara State Technical University (SSTU) Candidate of Technical Sciences, Associate Professor, Department of Metal and Timber Structures, Architecture and Civil Engineering Institute (ACEI), Samara State Technical University (SSTU), 194 Molodogvardeyskaya str., Samara, 443001, Russian Federation.
  • Zhuchenko Dmitriy Igorevich - Architecture and Civil Engineering Institute (ACEI), Samara State Technical University (SSTU) postgraduate student, Department of Building Structures, Architecture and Civil Engineering Institute (ACEI), Samara State Technical University (SSTU), 194 Molodogvardeyskaya str., Samara, 443001, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Lukin Aleksey Olegovich - Architecture and Civil Engineering Institute (ACEI), Samara State Technical University (SSTU) Assistant Lecturer, Department of Mechanics of Materials and Structural Engineering Mechanics, Architecture and Civil Engineering Institute (ACEI), Samara State Technical University (SSTU), 194 Molodogvardeyskaya str., Samara, 443001, Russian Federation.

Pages 142-149

Many elements meet in nodes of spatial lattice structures. The node of such structure works in a complicated stressed state. Experimental methods traditionally used for assessment of the stress-strain state of nodals connections, give only approximate results, and for structures with complex geometry are generally useless. It is possible to study a distribution of stresses inside the nodal connector, which is a massive body, using calculation software packages. As a result of calculation of a model of nodal connection in the CosmosWorks environment, stresses both on the connector’s surface and inside of it were obtained. The authors carried out the research of a stress-strain state of the MArchI (Moscow Institute of Architecture) system node and performed the analysis of the level of surface stresses and stresses inside the nodal connector. On the basis of the fulfilled research, conclusions on the work of the nodal connector were drawn: stresses on the connector’s surface do not generally exceed the conventional yield strength of steel; maximum values thereof are observed on the reference plane and at points of contact of a nut and the connector; distribution of material for the given geometry of connector turned out to be rational; it is possible to reduce the volume of steel for the nodal connector by way of changing its conceptual design, for example, having considered the issue of formation of the node out of a hollow shell.

DOI: 10.22227/1997-0935.2017.2.142-149

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Energy saving technology of ceramic tiles

Vestnik MGSU 10/2013
  • Zhukov Aleksey Dmitrievich - Moscow State University of Civil Engineering (National Research University) (MGSU) Candidate of Technical Sciences, Associate Professor, Department of Composite Materials Technology and Applied Chemistry, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Gorbunov German Ivanovich - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Sciences, Professor, Department of Technology of Finishing and Insulation Materials, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Belash Natalya Aleksandrovna - Moscow State University of Civil Engineering (MGSU) Postgraduate student, Department of Technology of Finishing and Insulation Materials, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 122-130

Ceramic technology is based on three requirements: maintaining the product properties on the required level, reduction of energy costs, optimization of raw materials consumption and technological parameters. It is possible to obtain a product with improved operating abilities, at the same time optimizing the energy consumption, with the use of modern methods of thermal treatment, which include a combination of burning mechanisms in one technological conversion.The service durability of products is determined by the simultaneous influence of the factors, which are characterized by the properties of raw materials, the conditions of molding powder preparation, molding and thermal treatment. The usage of innovational technological methods allow to reduce the duration of the main energy consuming operations — the process of powder preparation can be reduced from 8—12 hours (traditional technology) up to 2—3 minutes, and the process of drying and burning from 2—3 days to 1—1.5 hours. The quality of ready products remains high.Ceramic tiles are primarily used as finishing material in the construction of residential, public and industrial buildings. Modern technologies of ceramic tiles provide not only crock glazing, but also applying other materials on it. This can extend the range of ceramic tiles application.

DOI: 10.22227/1997-0935.2013.10.122-130

References
  1. Gorbunov G.I. Otsenka prigodnosti otkhodov obrabotki prirodnogo kamnya i stekloboya dlya polucheniya granitokeramiki [Acceptability Evaluation of the Natural Stone and Glass Processing Waste for Granite Ceramic Production]. Nauchno-prakticheskiy Internet-zhurnal «Nauka. Stroitel'stvo. Obrazovanie» [Scientific-Practical Online Magazine "Science. Construction. Education"]. 2011, no.1, article 12. Available at: http://www.nso-journal.ru.
  2. Òessier L. Rossiyskim proizvoditelyam keramiki — unikal'nye resheniya kompanii IMERYS CERAMICS po primeneniyu mineral'nogo syr'ya [To the Russian Producers of Ceramics: the Unique Solutions of the Imerys Ceramics Company on Application of Mineral Raw Materials]. Steklo i keramika [Glass and Ceramics]. 2012, no. 3, pp. 43—48.
  3. Ashmarin G.D., Salakhov A.M., Boltakova N.V., Morozov V.P., Gerashchenko V.N., Salakhova R.A. Vliyanie porovogo prostranstva na prochnostnye kharakteristiki keramiki [The Influence of Pore Space on the Strength Behaviour of Ceramics]. Steklo i keramika [Glass and Ceramics]. 2012, no. 8, pp. 24—30.
  4. Poznyak A.I., Levitskiy I.A., Barantseva S.E. Bazal'tovye i granitoidnye porody kak komponenty keramicheskikh mass dlya plitok vnutrenney oblitsovki sten [Basalts and Granitoid Solids as Mass Ceramic Components for Internal Lining Tiles]. Steklo i keramika [Glass and Ceramics]. 2012, no. 3, pp. 36—42.
  5. Moore F. Rheology of Ceramic systems. Institute of Ceramics: Textbook Series, Applied Science Publishers, 1965, 170 p.
  6. Rumyantsev B.M., Zhukov A.D. Printsipy sozdaniya novykh stroitel'nykh materialov [The Principles of New Building Materials Production]. Internet-vestnik VolgGASU [Online Magazine of Volgograd State University of Architecture and Civil Engineering]. Politematical Series, 2012, no. 3(23). Available at: http://www.vestnik.vgasu.ru/
  7. Grigorieva T.F. Mechanochemical interaction of the kaolinite with the solid state acids. 12th International Symposium on the Reactivity of Solids. Hamburg, Germany, 132 p.
  8. Zhukova E.A., Chugunkov A.V., Rudnitskaya V.A. Sistemy fasadnoy otdelki [Fasade Decoration Systems]. Nauchno-prakticheskiy Internet-zhurnal «Nauka. Stroitel'stvo. Obrazovanie» [Scientific-Practical Online Magazine "Science. Construction. Education"]. 2011, no.1, article no. 15. Available at: http://www.nso-journal.ru.
  9. Pedersen Ò. Experience with Selee open pore foam structure as a filter in aluminium continuous rod casting and rolling. Wire Journal. 1979, vol. 12, no. 6. pp. 74—77.
  10. Worall W.E. Clays and Ceramic Raw Materials. University of Leeds, Great Britan,1978, 277 p.

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Sustainability of life support systems in emergency situations

Vestnik MGSU 4/2014
  • Volkov Andrey Anatol’evich - Moscow State University of Civil Engineering (MGSU) Rector, Doctor of Technical Sciences, Professor, Chair, Department of Information Systems, Technology and Automation in Civil Engineering, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (499) 929-52-29; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Shilova Lyubov’ Andreevna - Russian Energy Agency of the Ministry of Energy of the Russian Federation Chief Specialist, Agency of Energy Security Analysis of the Department of Energy Security and Special Programs, Russian Energy Agency of the Ministry of Energy of the Russian Federation, 40/2 Shchepkina street, Moscow, 129110, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 107-115

Modern humanity development is impossible without scientific and technological progress, energy, industry, transport. Despite the fact that industrialization and the constant increase of production capacity have helped people to expand their limits significantly, we should not forget that today our dependence on the established infrastructure is steadily increasing. It is most vivid in case of natural hazards or disasters, which lead to disruption of normal living conditions. Any of these negative phenomena is called "emergency situation". However, the occurrence of emergency situations in life support systems leads to the following negative consequences: disorganization of life support systems functioning on the object, local, regional, national levels; exclusion or complete destruction life support systems; partial or complete reduction of the opportunities for ensuring the needs of the population; danger to life and health of the population. Despite the considerable number of scientific publications, many theoretical and methodological aspects of creating mechanisms and resistance patterns of objects and systems require further investigation that is due to: the possibility of emergency situations doesn’t decrease; acceleration of scientific and technical progress; existing threat of war together with the continuous improvement of weapons; threat of terrorist acts, etc. The authors present a research of the opportunity to construct a sustainability model of life support systems under different emergency situations in respect of modern current trends in the development of information-analytical systems and principles of systems engineering approach. The development of a general stability model, in that case, must consider common sequence of actions, ranging from signs of disaster to the recommendations for eliminating its consequences for life support systems, and the issues of effective interaction between individual subsystems involved in this process at all stages.

DOI: 10.22227/1997-0935.2014.4.107-115

References
  1. Bardulin E.N., Ipatov D.N. Upravlenie riskami v usloviyakh chrezvychaynykh situatsiy [Risk Management in Emergency Situations]. Vestnik SPbUGPS [Proceedings of St.Petersburg University of State Fire Service]. 2012, no. 4, pp. 7—13.
  2. Burkova I.V., Tolstykh A.V., Uandykov B.K. Modeli i metody optimizatsii programm obespecheniya bezopasnosti [Models and Methods of Security Programs Optimization]. Problemy upravleniya [Management Problems]. 2005, no. 1, pp. 51—55.
  3. Volkov A.A. Kompleksnaya bezopasnost' uslovno-abstraktnykh ob"ektov (zdaniy i sooruzheniy) v usloviyakh chrezvychaynykh situatsiy [Integrated Safety of Conditionally Abstract Objects (Buildings and Structures) in Emergency Situations]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2007, no. 3, pp. 30—35.
  4. Volkov A.A. Kompleksnaya bezopasnost' zdaniy i sooruzheniy v usloviyakh ChS: formal'nye osnovaniya situatsionnogo modelirovaniya [Integrated Safety of Buildings and Structures in Emergency Situations: Formal Foundations of Situational Modeling]. Obsledovanie, ispytanie, monitoring i raschet stroitel'nykh konstruktsiy zdaniy i sooruzheniy: Sbornik nauchnykh trudov [Inspection, Testing, Monitoring and Calculation of Constructions and Structures: Collection of Works]. Moscow, ASV Publ., 2010, pp. 55—62.
  5. Volkov A.A. Osnovy gomeostatiki zdaniy i sooruzheniy [Fundamentals of Homeostatic Buildings and Structures]. Promyshlennoe i grazhdanskoe stroitel'stvo [Industrial and civil Engineering]. 2002, no. 1, pp. 34—35.
  6. Volkov A.A. Intellekt zdaniy. Chast' 1 [Intelligence of buildings. Part 1]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2008, no. 4, pp. 186—190.
  7. Volkov A.A. Sistemy aktivnoy bezopasnosti stroitel'nykh ob"ektov [Active Safety Systems of Construction Sites]. Zhilishchnoe stroitel'stvo [House Construction]. 2000, no. 7, p. 13.
  8. Volkov A.A. Intellekt zdaniy. Chast' 2 [Intelligence of buildings. Part 2]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2009, no. 1, pp. 213—216.
  9. Volkov A.A. Ierarkhii predstavleniya energeticheskikh sistem [Hierarchies of Description of Energy Systems]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2013, no. 1, pp. 190—193.
  10. Volkov A.A., Pikhterev D.V. K voprosu ob organizatsii informatsionnogo obespecheniya stroitel'nogo ob"ekta [On the Issue of Arrangement of Information Support of a Construction Facility]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2011, no. 6, pp. 460—462.
  11. Kopeychenko Yu.V., Ternyuk N.E. Sistema upravleniya chrezvychaynymi situatsiyami [Emergency Management System]. Sayt Mezhregional'noy obshchestvennoy organizatsii «Evro-Aziatskoe geofizicheskoe obshchestvo» Krasnodarskogo kraevogo otdeleniya [Site of Trans-regional Non-governmental Organization “Euro-Asian Geophysical Society” of the Krasnodar Regional Branch]. Available at: http://eago.gelendzhik.ws/content/view/317/41. Date of access: 24.10.2014.
  12. Barbera J.A., Macintyre A.M., Shaw G.L., Seefried V.I., Westerman L., De Cosmo S. Emergency Response & Recovery Competencies: Competency Survey, Analysis, and Report. Institute for Crisis, Disaster, and Risk Management, The George Washington University, May 25, 2005.
  13. Rubin C.B. Long Term Recovery from Disasters — the Neglected Component of Emergency Management. Journal of Homeland Security and Emergency Management. 2009, vol. 6, no. 1. DOI: 10.2202/1547-7355.1616.
  14. Stambler K., Barbera J.A. Engineering the Incident Command and Multiagency Coordination Systems. Journal of Homeland Security and Emergency Management. 2011, vol. 8, no. 1, pp. 29—32. DOI: 10.2202/1547-7355.1838.
  15. Wolbers J., Groenewegen P., Mollee J., Bim J. Incorporating Time Dynamics in the Analysis of Social Networks in Emergency Management. Journal of Homeland Security and Emergency Management. 2013, vol. 10, no. 2, pp. 555—585. DOI: 10.1515/jhsem-2013-0019.

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optimization for trenchless reconstruction of pipelines

Vestnik MGSU 1/2015
  • Zhmakov Gennadiy Nikolaevich - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Sciences, Professor, Department of Water Disposal and Water Ecology, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe Shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Aleksandr Anatol’evich - Siberian Federal University (SibFU) Candidate of Technical Sciences, Associate Professor, Department of Mechanical Engineering, Siberian Federal University (SibFU), 79 Svobodny pr., Krasnoyarsk, 660041, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 63-73

Today the technologies of trenchless reconstruction of pipelines are becoming
more and more widely used in Russia and abroad. One of the most perspective is methods is shock-free destruction of the old pipeline being replaced with the help of hydraulic installations with working mechanism representing a cutting unit with knife disks and a conic expander. A construction of a working mechanism, which allows making trenchless reconstruction of pipelines of different diameters, is optimized and patented and its developmental prototype is manufactured. The dependence of pipeline cutting force from knifes obtusion of the working mechanisms. The cutting force of old steel pipelines with obtuse knife increases proportional to the value of its obtusion. Two stands for endurance tests of the knifes in laboratory environment are offered and patented.

DOI: 10.22227/1997-0935.2015.1.63-73

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Optimization of process organization in monolithic construction

Vestnik MGSU 10/2013
  • Adamtsevich Aleksey Olegovich - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Sciences, head, Principal Regional Center of Collective Use of Scientific Institute of Construction Materials and Technologies, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (495) 656-14-66; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Pustovgar Andrey Petrovich - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Sciences, Director, Research and Scientific Institute for Construction Materials and Technologies, Professor, Department of Construction of Nuclear Installations, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 242-248

Nowadays in Russian Federation there is a growing demand for monolithic construction. Monolithic construction technology is developing to meet the requirements, such as reduction of construction time and improvement of the quality of the structures. Analysis of different situations that arise on construction sites shows a number of usual problems: increased construction period, increased cost, etc.Possible reason of this problem can be in using outdated approaches to the control of monolithic construction processes. Such approaches do not take into account deviations due to the abrupt changes caused by external influence of the environment. And it can lead to increase in technological expectations or increase in labor costs for eliminating these deviations. This article presents an approach, which helps to increase the efficiency of process organization in monolithic construction by means of adaptive control and operative control in real time. This approach is based on the methods of operative monitoring and processing of information about the state of the production system at any given time. In this paper organizational scheme for combining different production and control processes was developed, which is based on the following principles: Choice of criteria for comprehensive assessment of a production system, that reflect both internal state and external disturbances; Development of the methods and means of operational monitoring of the structures(includes previously selected criteria); Development of the methods of constructing situation models of the production system functioning (including modeling the hydration process of concrete and the influence of external factors on this process).Development of the methods of research and information decision support based on automated processing of information, obtained in the course of monitoring, and on the analysis of available options of controlling actions.

DOI: 10.22227/1997-0935.2013.10.242-248

References
  1. Li Qingbin, Li Shuguang, Chen Gaixin. Concrete Construction Industry (CBM-CI). CBM-CI International Workshop. Karachi. 2012, pp. 119—128.
  2. Telichenko V.I., editor Stroitel'stvo i rekonstruktsiya zdaniy i sooruzheniy gorodskoy infrastruktury. Tom 1. Organizatsiya i tekhnologiya stroitel'stva [Construction and Reconstruction of Buildings and Structures of Urban Infrastructure. Vol. 1. Organization and Technology of Construction]. Moscow, ASV Publ., 2009, 520 p.
  3. Oleynik P.P. Organizatsiya stroitel'nogo proizvodstva [Organization of Construction Production]. Moscow, 2010, 576 p.
  4. Zinevich L.V., Galumyan A.B. Nekotorye organizatsionno-tekhnologicheskie osobennosti sovremennogo skorostnogo monolitnogo domostroeniya domostroyeniya [Some Organizational and Technological Features of Modern High-speed Monolithic Housing]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2009, no. 1, pp. 29—30.
  5. Ambartsumyan S.A., Martirosyan A.S., Galumyan A.V. Normy vypolneniya opalubochnykh rabot pri skorostnom monolitnom domostroenii [The Norms of Formwork Operations in High-speed Monolithic Housing Construction]. Promyshlennoe i grazhdanskoe stroitel'stvo [Industrial and Civil Engineering]. 2009, no. 2, pp. 39—41.
  6. Volkov A.A. Kompleksnaya bezopasnost' uslovno-abstraktnykh ob"ektov (zdaniy i sooruzheniy) v usloviyakh chrezvychaynykh situatsiy [Integrated Safety of Conditionally Abstract Objects (Buildings and Structures) in Emergency Situations]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2007, no. 3, pp. 30—35.
  7. Volkov A.A. Osnovy gomeostatiki zdaniy i sooruzheniy [Fundamentals of Homeostatic Buildings and Structures]. Promyshlennoe i grazhdanskoe stroitel'stvo [Industrial and civil Engineering]. 2002, no. 1, pp. 34—35.
  8. Volkov A. Intellekt zdaniy. Chast' 1 [Intelligence of Buildings. Part 1]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2008, no. 4, pp. 186—190.
  9. Volkov A.A., Lebedev V.M. Proektirovanie sistemokvantov rabochikh operatsiy i trudovykh stroitel'nykh protsessov v srede informatsionnykh tekhnologiy [Designing of the System Quanta of Working Operations and Labor Building Processes in the IT environment]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2010, no. 2, pp. 293—296.
  10. Volkov A.A. Sistemy aktivnoy bezopasnosti stroitel'nykh ob"ektov [Active Safety Systems of Construction Sites]. Zhilishchnoe stroitel'stvo [House Construction]. 2000, no. 7, p. 13.
  11. Volkov A.A. Intellekt zdaniy. Chast' 2 [Intelligence of buildings. Part 2]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2009, no. 1, pp. 213—216.
  12. Volkov A.A. Ierarkhii predstavleniya energeticheskikh sistem [Hierarchies of Description of Energy Systems]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2013, no. 1, pp. 190—193.
  13. Volkov A.A., Pikhterev D.V. K voprosu ob organizatsii informatsionnogo obespecheniya stroitel'nogo ob"ekta [On the Issue of Arrangement of Information Support of a Construction Facility]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2011, no. 6, pp. 460—462.

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ANALYSIS OF DEPENDENCE BETWEEN CAPITAL EXPENDUTURES OF CONSTRUCTION WORKS AND GAS DISTRIBUTION PIPELINE DIAMETER

Vestnik MGSU 3/2012
  • Tabunshchikov Yuriy Andreevich - Moscow Institute of Architecture , Moscow Institute of Architecture, 11 Rozhdestvenka St., Moscow, 107031, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Prokhorov VitaliyIvanovich - Moscow State University of Civil Engineering (MSUCE) 8 (499) 183-26-92, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation.
  • Bryukhanov Oleg Nikolaevich - Moscow State University of Civil Engineering (MSUCE) : 8 (499) 183-26-92, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation.
  • Zhila Viktor Andreevich - Moscow State University of Civil Engineering (MSUCE) 8 (499) 183-26-92, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Klochko Alexey Konstantinovich - Moscow State University of Civil Engineering (MSUCE) assistant lecturer, Department of Heating Facilities and Heat/Gas Supply, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 164 - 170

Materials consumption rate is used by many authors as the criterion for the assessment of the economic efficiency of gas distribution networks in the course of their design. No doubt that control over the materials consumption rate is of particular importance. However, we believe that it represents one of several constituents of the overall cost of a gas network piping project. Labour expenditures and earth works that are, to some extent, dependent on the diameter of a pipeline, should also be taken into account. Presently, metal and polyethylene pipes of standard diameters are used in gas network development projects. Diameters of pipes of external gas distribution networks are rounded up to the closest standard diameter of pipes as a result of a hydraulic calculation.
The cost of construction of a gas pipeline has multiple constituents that may be clustered into three principle groups:
1) earth works,
2) piping;
3) cost of materials.
Calculation of the cost of construction of low and medium pressure pipelines to be made of steel and cross-linked polyethylene was performed to find out the cost of a pipeline.
The calculations were made in the basic prices of the year 2000 adjusted to the figures of April 2011, given the standard piping conditions in a settlement within central Russia. The data were interpolated by means of a quadratic function.
On the basis of the above data, a comparative analysis of capital expenditures in respect of steel and polyethylene piping may be performed.
The research also contemplates the structure of expenses associated with the piping of gas distribution networks. Mathematical equations have been derived to perform sufficiently accurate calculations of costs of construction of various types and various lengths of gas pipelines.

DOI: 10.22227/1997-0935.2012.3.164 - 170

References
  1. SNiP 42-01—2002. Gazoraspredelitel’nye sistemy [Construction Rules and Regulations 42-01-2002.Gas Distribution System]. St. Petersburg, 2004, 80 p.
  2. TSN—2001. Territorial’naya smetno-normativnaya baza dlya goroda Moskvy [Local Norms for Construction Porject Budget Development in Moscow].

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METHODOLOGICAL BASES OF THE OPTIMIZATION OF ORGANIZATIONAL MANAGEMENT STRUCTURE AT IMPLEMENTING THE MAJOR CONSTRUCTION ENTERPRISE STRATEGY

Vestnik MGSU 9/2015
  • Rodionova Svetlana Vladimirovna - Moscow State University of Civil Engineering (National Research University) (MGSU) Senior Lecturer, Department of Construction Economy and Management, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation.
  • Vlasenko Vyacheslav Aleksandrovich - Voronezh State University of Architecture and Civil Engineering (Voronezh SUACE) Candidate of Technical Sciences, Associate Professor, chair, Department of Design and Construction of Linear Objects, Voronezh State University of Architecture and Civil Engineering (Voronezh SUACE), 84 20-letiya Oktyabrya str., Voronezh, 394006, Russian Federation.

Pages 158-167

Planning and implementation of innovations on the microlevel of management and on the higher levels is a process of innovative projects portfolio implementation. Project management is aimed at some goal; therefore, defining the mission and aims of implementation is of primary importance. These are the part of the notion of development strategy of an enterprise. Creating a strategy for big construction holding companies is complicated by the necessity to account for different factors effecting each business-block and subsidiary companies. The authors specify an algorithm of development and implementation of the activity strategy of a big construction enterprise. A special importance of the correspondence of organizational management structure to the implemented strategy is shown. The innovative character of organizational structure change is justified. The authors offer methods to optimize the organizational management structure based on communication approach with the use of the elements graph theory. The offered methodological provisions are tested on the example of the Russian JSC “RZhDstroy”.

DOI: 10.22227/1997-0935.2015.9.158-167

References
  1. Kolodyazhnyy S.A., Uvarova S.S., Belyaeva S.V., Vlasenko V.A., Panenkov A.A. Organizatsionno-ekonomicheskie izmeneniya investitsionno-stroitel’nogo kompleksa na innovatsionnoy osnove kak protsess obespecheniya ego ustoychivogo razvitiya [Organizational and Economic Changes of Investment and Construction Complex on the Innovative Base as a Process to Provide its Sustainable Development]. Voronezh, VGASU Publ., 2014, 288 p. (In Russian)
  2. Meshcheryakov I.G., Syuryun A.V. Organizatsionnoe novovvedenie — neobkhodimoe uslovie zapuska mekhanizma upravleniya organizatsionnymi innovatsiyami [Organizational Innovation — a Necessary Condition of Starting the Control Mechanism of Organizational Innovations]. Sovremennye problemy nauki i obrazovaniya [Modern Problems of Science and Education]. 2013, no. 6. Available at: http://www.science-education.ru/pdf/2013/6/910.pdf. Date of access: 10.06.2015. (In Russian)
  3. Rodionova S.V. Kontseptual’nye osnovy realizatsii organizatsionnykh innovatsiy na predpriyatiyakh na osnove kommunikatsionnogo podkhoda [Conceptual Bases of Organizational Innovations Implementation on Enterprises Based on Communication Approach]. Ekonomika i predprinimatel’stvo [Economy and Entrepreneurship]. 2015, no. 4-2 (57-2), pp. 612—615. (In Russian)
  4. Uvarova S.S., Papel’nyuk O.V., Panenkov A.A. Kontseptual’nye i metodicheskie aspekty upravleniya innovatsionnym razvitiem stroitel’nogo predpriyatiya v proektsii teorii organizatsionno-ekonomicheskikh izmeneniy [Conceptual and Methodological Management Aspects of Innovative Development of a Construction Enterprise in the Theory of Organizational and Economical Changes]. Ekonomika i predprinimatel’stvo [Economy and Entrepreneurship]. 2015, no. 3—2 (56—2), pp. 809—811. (In Russian)
  5. Uvarova S.S., Kankhva V.S., Belyaeva S.V. Organizatsionno-ekonomicheskie izmeneniya investitsionno-stroitel’nogo kompleksa na mikrourovne: upravlenie i analiz [Organizational and Economical Changes in Investment and Construction Complex on Microlevel: Management and Analisys]. Moscow, MGSU Publ., 2014, 187 p. (Biblioteka nauchnykh razrabotok i proektov NIU MGSU [Library of Scientific Developments and Projects of MGSU]). (In Russian)
  6. Egbu C.O., Henry J., Kaye G.R., Quintas P., Schumacher T.R., Young B.A. Managing Organizational Innovations in Construction. Available at: http://citeseerx.ist.psu.edu/viewdoc/download;jsessionid=A6937EBCC5FF70764A82DE485682FFBC?doi=10.1.1.473.4422&rep=rep1&type=pdf/. Date of access: 10.06.2015.
  7. Vlasenko V.A. Razrabotka obshchey innovatsionnoy strategii krupnogo stroitel’nogo predpriyatiya [Development of a New Innovative Strategy of a Big Construction Enterprise]. Novoe slovo v nauke i praktike: gipotezy i aprobatsiya rezul’tatov issledovaniy v ekonomike, upravlenii proektami, pedagogike, prave, istorii, kul’turologii, yazykoznanii, prirodopol’zovanii, rastenievodstve, biologii, zoologii, khimii, politologii, psikhologii, meditsine, filologii, filosofii, sotsiologii, matematike, tekhnike, fizike, informatike, gradostroitel’stve : sbornik nauchnykh statey po itogam Mezhdunarodnoy nauchno-prakticheskoy konferentsii (28—29 noyabrya 2014 g., Sankt-Peterburg) [New Word in Science and Practice: Hypotheses and Tests of Investigation Results in Economy, Project Management, Pedagogics, Law, History, Culturology, Linguistics, Nature Management, Pland Growingm Biology, Zoology, Chemistry, Politology, Psychology, Medicine, Philology, Philosophy, Sociology, Mathematics, Technology, Physics, Informatics, Urban Development : Collection of the Scientific Articles on the Results of International Science and Practice Conference (November, 28—29, 2014, Saint Petersburg)]. Saint Petersburg, Kul’t-Inform-Press Publ., 2014, pp. 64—67. (In Russian)
  8. Vlasenko V.A., Rodionova S.V. Formirovanie strategii stroitel’nogo predpriyatiya s tochki zreniya teorii organizatsionnykh izmeneniy [Formation of a Construction Enterprise Strategy in Terms of Organizational Changes Theory]. Sovremennoe sostoyanie i prioritetnye napravleniya razvitiya ekonomiki : materialy Mezhdunarodnoy zaochnnoy nauchno-praktichesko. konferentsii [Modern State and Priority Directions of Economical Development : Materials of the International Distance Science and Practice Conference]. NGAU, Novosibirsk, 2014, pp. 37—41. (In Russian)
  9. Gumba Kh.M., Vlasenko V.A. Metodika razrabotki antikrizisnoy strategii krupnogo stroitel’nogo predpriyatiya [Methods of Anti-Crisis Strategy Development of a Major Construction Enterprise]. Ekonomika i predprinimatel’stvo [Economy and Entrepreneurship]. 2015, no. 3—2 (56—2), pp. 671—673. (In Russian)
  10. Gumba Kh.M., Vlasenko V.A. Obosnovanie teoreticheskikh osnov formirovaniya obshchey i innovatsionnoy strategii krupnogo stroitel’nogo predpriyatiya [Substantiation of Theoretical Bases of General and Innovative Strategy Formation of a Big Construction Enterprise]. Ekonomika i predprinimatel’stvo [Economy and Entrepreneurship]. 2014, no. 12—2 (53—2), pp. 789—791. (In Russian)
  11. Gumba Kh.M. Teoreticheskie osnovy innovatsionnogo razvitiya predpriyatiy stroitel’noy otrasli [Theoretical Bases of an Innovative Development of Construction Enterprises]. Moscow, MGSU Publ., 2012, 200 p. (In Russian)
  12. Semenova K.A., Gilev G.A. Proektno-orientirovannyy podkhod k upravleniyu organizatsionnymi innovatsiyami [Project-Oriented Approach to Organizational Innovations Management]. Budushchee nauki — 2013 : materialy Mezhdunarodnoy molodezhnoy nauchnoy konferentsii [Future of Science — 2013 : Materials of the International Youth Scientific Conference]. Kursk, 2013, pp. 216—220. (In Russian)
  13. Silka D.N., Ermolaev E.E. Tekhnologicheskie platformy kak instrument rasshireniya organizatsionno-ekonomicheskikh predelov razvitiya [Technological Platforms as an Instrument of Widening the Organizational and Economical Boundaries of the Development]. Naukovedenie [Science Studies]. 2014, no. 1 (20). Available at: http://naukovedenie.ru/PDF/25EVN114.pdf. Date of access: 10.06.2015. (In Russian)
  14. Papel’nyuk O.V., Sizova E.I. Empiricheskoe obosnovanie spetsificheskikh osobennostey innovatsionnoy deyatel’nosti stroitel’nykh predpriyatiy v zavisimosti ot masshtaba deyatel’nosti [Empirical Substantiation of the Specific Features of Innovative Activity in Construction Enterprises Dependent from the Range of Activity]. Vestnik Belgorodskogo gosudarstvennogo tekhnologicheskogo universiteta im. V.G. Shukhova [Bulletin of BSTU named after V.G. Shukhov]. 2015, no. 1, pp. 124—127. (In Russian)
  15. Strategiya razvitiya kholdinga «RZhD» na period do 2030 goda (osnovnye polozheniya) [Development Strategy of “RZhD” Holding Company for the Period before 2030 (Fundamental Principles)]. Ofitsial’nyy sayt RZhD [Official Site of RZhD]. Available at: http://doc.rzd.ru/doc/public/ru?STRUCTURE_ID=704&layer_id=5104&id=6396. Date of Access: 10.06.2015. (In Russian)
  16. Gennadiy Talashkin. Pervyy zamestitel’ general’nogo direktora OAO «RZhDstroy», predsedatel’ pravleniya NP SRO «MOOZhS» [Gennadiy Talashkin. Deputy Director General LLC “LZhDStroy”, Chairman of the Management Board NP SRO “MOOZhS”]. Samoregulirovanie i biznes [Self-Regulation and Business]. 2012, no. 12 (32), p. 7. (In Russian)
  17. Yas’kova N.Yu., Silka D.N. Upravlenie investitsionno-stroitel’noy deyatel’nost’yu v tsiklicheskoy dinamike [Management of Investment and Construction Activity in Cyclical Behavior]. Moscow, MGSU Publ., 2011, 214 p. (In Russian)
  18. Brannen L. Best Practices in Planning and Management Reporting. Business Finance. Oct. 1, 2003. Available at: http://businessfinancemag.com/planning-budgeting-amp-reporting/upfront-best-practices-planning-and-management-reporting/. Date of access: 10.06.2015.
  19. Howe L.D. Innovation for Organizations. Available at. http://www.innovationgame.com/pdf/igpaper.pdf. Date of access: 10.06.2015.
  20. Jablin F.M., Putnam L.L. The New Handbook of Organizational Communication: Advances in Theory, Research, and Methods. Thousand Oaks, CA: Sage Publications, 2001, 942 p.
  21. Gumba Kh.M., Rodionova S.V. Organizatsionnye innovatsii v stroitel’stve: sushchnost’ i effektivnost’ [Organizational Innovations in Construction: Essence and Efficiency]. Akademicheskaya nauka — problemy i dostizheniya : sbornik materialov V Mezhdunarodnoy nauchno-prakticheskoy konferentsii (1—2 dekabrya 2014 g., North Charleston, SC, USA) [Academic Science — Problems and Achievements : Collection of the Materials of the 5th International Science and Practice Conference (December, 1—2, 2014, North Charleston, SC, USA)]. North Charleston, SC, USA, GreatSpace, 2014, vol. 1, pp. 199—202. (In Russian)
  22. Rodionova S.V. Razrabotka metodiki otsenki effektivnosti organizatsionnykh innovatsiy s tochki zreniya kommunikatsionnogo podkhoda [Efficiency Estimation Method of Organizational Innovations in the Context of Communicational Approach]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2015, no. 6, pp. 131—139. (In Russian)

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Method for determining the duration of construction basing on evolutionary modeling taking into account random organizational expectations

Vestnik MGSU 10/2016
  • Kurchenko Natal’ya Sergeevna - Bryansk State Technological University of Engineering (BSTU) Candidate of Technical Sciences, Associate Professor, Department of Construction Operations, Bryansk State Technological University of Engineering (BSTU), 3 prospekt Stanke Dimitrova, Bryansk, 241037, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Alekseytsev Anatoliy Viktorovich - Bryansk State Technological University of Engineering (BSTU) Candidate of Technical Sciences, Associate Professor, Department of Construction Operations, Bryansk State Technological University of Engineering (BSTU), 3 prospekt Stanke Dimitrova, Bryansk, 241037, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Galkin Sergey Sergeevich - Bryansk State Technological University of Engineering (BSTU) Master Student, Department of Construction Operations, Bryansk State Technological University of Engineering (BSTU), 3 prospekt Stanke Dimitrova, Bryansk, 241037, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 120-130

One of the problems of construction planning is failure to meet time constraints and increase of workflow duration. In the recent years informational technologies are efficiently used to solve the problem of estimation of construction period. The issue of optimal estimate of the duration of construction, taking into account the possible organizational expectations is considered in the article. In order to solve this problem the iteration scheme of evolutionary modeling, in which random values of organizational expectations are used as variable parameters is developed. Adjustable genetic operators are used to improve the efficiency of the search for solutions. The reliability of the proposed approach is illustrated by an example of formation of construction schedules of monolithic foundations for buildings, taking into account possible disruptions of supply of concrete and reinforcement cages. Application of the presented methodology enables automated acquisition of several alternative scheduling of construction in accordance with standard or directive duration. Application of this computational procedure has the prospects of taking into account of construction downtime due to weather, accidents related to construction machinery breakdowns or local emergency collapses of the structures being erected.

DOI: 10.22227/1997-0935.2016.10.120-130

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System technique of virtual organizational structures design for construction companies

Vestnik MGSU 10/2013
  • Bol'shakov Sergey Nikolaevich - Moscow State University of Civil Engineering (MGSU) postgraduate student, Assistant, Department of Information Systems, Technologies and Automation in Construction, Moscow State University of Civil Engineering (MGSU), 26, Yaroslavskoyeshosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 287-294

The article describes virtual organizational structure for the construction industry, which was formed as a result of a number of problematic issues. The development of the construction industry is one of the prior tasks for the state economy. Virtual enterprises, tailored to the industry, showed themselves as the most progressive means of production optimization and automation.Virtual organizational structures are becoming more widespread. They demonstrate positive effect after being introduced and used in various sectors of the economy. Today, foreign experience and technologies of implementing virtual organizational structures of enterprises is actively adapted in the realities of the Russian economy with harsh investment climate and the increased interest of the state sector. The introduction of virtual organizational structures for construction companies is a significant step in the process of the industry informalization. By setting a precedent and reinforcing it by appropriate methodological framework, we obtain a basis for the formation of information platforms, which contain the full list of theoretical and practical knowledge.Getting positive effect after creating virtual organizational structures of enterprises in the construction industry is only half the way. Any result from the introduction will result in a new area for research and development.

DOI: 10.22227/1997-0935.2013.10.287-294

References
  1. Volkov A.A. Informatsionnoe obespechenie v ramkakh kontseptsii intellektual'nogo zhilishcha [Information Support under the Concept of Smart Homes]. Zhilishchnoe stroitel'stvo [House Construction]. 2001, no. 8, pp. 4—5.
  2. Volkov A.A. Gomeostat stroitel'nykh ob"ektov. Chast' 3. Gomeostaticheskoe upravlenie [Homeostat of Construction Projects. Part 3. Homeostatic Management]. Stroitel'nye materialy, oborudovanie, tekhnologii XXI veka [Building Materials, Equipment, Technologies of the 21st century]. 2003, no. 2, pp. 34—35.
  3. Volkov A.A., Yarulin R.N. Avtomatizatsiya proektirovaniya proizvodstva remontnykh rabot zdaniy i inzhenernoy infrastruktury [Computer-Aided Design of Repairs of Buildings and the Engineering Infrastructure]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2012, no. 9, pp. 234—240.
  4. Chelyshkov P., Volkov A., Sedov A. Application of Computer Simulation to Ensure Comprehensive Security of Buildings. Applied Mechanics and Materials (Trans Tech Publications, Switzerland). 2013, vol. 409—410, pp. 1620—1623.
  5. Volkov A.À. Building Intelligence Quotient: Mathematical Description. Applied Mechanics and Materials (Trans Tech Publications, Switzerland). 2013, vol. 409—410, pp. 392—395.
  6. Volkov A.A. Udalennyy dostup k proektnoy dokumentatsii na osnove sovremennykh telekommunikatsionnykh tekhnologiy [Remote Access to Project Documents on the Basis of Advanced Telecommunications Technologies]. Stroitel'nye materialy, oborudovanie, tekhnologii XXI veka [Building Materials, Equipment, Technologies of the 21st century]. 2000, no 4, p. 23.
  7. Volkov A.A, Lebedev V.M. Proektirovanie sistemokvantov rabochikh operatsiy i trudovykh stroitel'nykh protsessov v srede informatsionnykh tekhnologiy [Designing of the System Quanta of Working Operations and Labor Building Processes in the IT environment]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2010, no. 2, pp. 293—296.
  8. Volkov A.A. Virtual'nyy informatsionnyy ofis stroitel'noy organizatsii [Virtual Information Office of a Building Company]. Stroitel'nye materialy, oborudovanie, tekhnologii XXI veka [Building Materials, Equipment, Technologies of the 21st century]. 2002, no. 2, pp. 28—29.
  9. Volkov A.A., Vaynshteyn M.S., Vagapov R.F. Raschety konstruktsiy zdaniy na progressiruyushchee obrushenie v usloviyakh chrezvychaynykh situatsiy. Obshchie osnovaniya i optimizatsiya proekta [Design Calculations for the Progressive Collapse of Buildings in Emergency Situations. Common Grounds and Project Optimization]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2008, no. 1, pp. 388—392.
  10. Losev K.Yu., Losev Yu.G., Volkov A.A. Razvitie modeley predmetnoy oblasti stroitel'noy sistemy v protsesse razrabotki informatsionnoy podderzhki proektirovaniya [Building System Subject Area Development During the Process of Design-cals-system Work out]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2011, no. 1, vol. 1, pp. 352—357.

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Projective configurations in projectivegeometrical drawings

Vestnik MGSU 5/2015
  • Ivashchenko Andrey Viktorovich - Union of Moscow Architects 90/17 Shosseynaya str., Moscow, 109383, Russian Federation; ivashchenkoa@inbox.ru, Union of Moscow Architects, 7 Granatnyy per., Moscow, 123001, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Kondrat’eva Tat’yana Mikhaylovna - Moscow State University of Civil Engineering (National Research University) (MGSU) Candidate of Technical Sciences, Associate Professor, chair, Department of Descriptive Geometry and Graphics, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 141-147

The article focuses on the optimization of the earlier discussed computer method of obtaining new forms of polyhedra based on projective geometry drawings (trace Diagrams).While working on getting new multifaceted forms by projective geometry methods based on the well-known models of polyhedra on the first stage of the work it is required to calculate the parameters of projective geometry drawings, and then to build them. This is an often used apparatus of analytical geometry. According to it, at first the parameters of the polyhedron (core system of planes) are calculated, then we obtain the equation of the plane of the face of the polyhedron, and finally we obtain the equations of lines the next plane faces on the selected curve plane. At each stage of application such a method requires the use of the algorithms of floating point arithmetic, on the one hand, leads to some loss of accuracy of the results and, on the other hand, the large amount of computer time to perform these operations in comparison with integer arithmetic operations.The proposed method is based on the laws existing between the lines that make up the drawing - the known configurations of projective geometry (complete quadrilaterals, configuration of Desargues, Pappus et al.).The authors discussed in detail the analysis procedure of projective geometry drawing and the presence of full quadrilaterals, Desargues and Pappus configurations in it.Since the composition of these configurations is invariant with respect to projective change of the original nucleus, knowing them, you can avoid the calculations when solving the equations for finding direct projective geometry drawing analytically, getting them on the basis of belonging to a particular configuration. So you can get a definite advantage in accuracy of the results, and in the cost of computer time. Finding these basic configurations significantly enriches the set of methods and the use of projective geometry drawings.

DOI: 10.22227/1997-0935.2015.5.141-147

References
  1. Gamayunov V.N. Proektivografiya. Geometricheskie osnovy khudozhestvennogo konstruirovaniya dlya aspirantov slushateley FPK i studentov khuzhozhestvenno-graficheskogo fakul’teta [Projectography. Geometric Foundations of Artistic Design for Postgraduate Students of FPK and Students of Artistic-Graphical Department]. Moscow, MGPI Publ., 1976, 25 p. (In Russian)
  2. Gol’tseva R.I. Geometriya mnogogrannykh n-epyurnykh sistem [Polyhedral Geometry of n-Curve Systems]. Formoobrazovanie v stroitel’stve i arkhitekture: sbornik nauchnykh trudov [Shaping in Construction and Architecture: Collection of Scientific Works]. Moscow, MISI Publ., 1986, pp. 175—223. (In Russian)
  3. Sobolev N.A. Obshchaya teoriya izobrazheniy [General Theory of Image] Moscow, Arkhitektura-S Publ., 2004, pp. 489—491. (In Russian)
  4. Kalinicheva M.M., Zherdyaev E.V., Novikov A.I. Nauchnaya shkola ergodizayna VNIITE: predposylki, istoki, tendentsiya stanovleniya : monografiya [Scientific School of Ergodesign All-Russian Research Institute of Technical Aesthetics: Prerequisites, Origins, Generation Tendency : Monograph]. Moscow, VNIITE Publ., Orenburg, IPK GOU OGU Publ., 2009, 368 p. (In Russian)
  5. Vennidzher M. Modeli mnogogrannikov [Models of Polyhedra]. Moscow, Mir Publ.,1974, 236 p. (In Russian)
  6. Zalgaller V.A. Vypuklye mnogogranniki s pravil’nymi granyami [Convex Polyhedra with Regular Faces]. Zapiski nauchnykh seminarov LOMI [Records of Scientific Workshops of LOMI]. Moscow-Leningrad, Nauka Publ., 1967, vol. 2, pp. 5—221. (In Russian)
  7. Dutch S. Polihedra with Regular Polygon Faces. Available at: http://www.uwgb.edu/DUTCHS/symmetry/johnsonp.htm. Date of access: 18.11.2014.
  8. Sutton D. Platonic & Archimedean Solids: the Geometry of Space/written and Illustrated. New York, Walker & Company, 2002, 64 p.
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INVESTMENT OF THE DEVELOPMENT OF ROAD-BUILD MEANS, AUTOMATIC AND INFORMATIONAL SYSTEMS TO INCREASE TRAFFIC SAFETY IN VEHICLE SYSTEMS

Vestnik MGSU 9/2015
  • Shirokov Lev Alekseevich - Moscow State University of Civil Engineering (National Research University) (MGSU) Doctor of Technical Sciences, Professor, Department of Electrical Engineering and Electrical Drive, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Shirokova Ol’ga L’vovna - Moscow State University of Civil Engineering (National Research University) (MGSU) Candidate of Economical Sciences, Associate Professor, Department of Economy and Applied Mathematics, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Palaguta Konstantin Alekseevich - Moscow State Industrial University (MSIU) Candidate of Technical Sciences, Professor, Department of Automation and Control in Technical Systems, Moscow State Industrial University (MSIU), 16 Avtozavodskaya str., Moscow, 115280, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 130-145

The modern transport system is a complex integrated object, which includes various road pavements, different technical means to provide vehicles motion, organizational systems of traffic management. In the contemporary conditions of construction industry functioning the task to create vehicle systems is of a great economic importance. Great labour and material resources are used for production of transport means for providing construction works and operation of these means. The authors consider the questions of theoretical and informational foundation development for the formation of the criteria basis of investment optimization task during construction of automatical and informational systems for increase of traffic safety in transport systems, providing zero accident rate.

DOI: 10.22227/1997-0935.2015.9.130-145

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