DESIGNING AND DETAILING OF BUILDING SYSTEMS. MECHANICS IN CIVIL ENGINEERING

The history and development prospects of one of the methods for solving multidimensional problems of structural mechanics

Vestnik MGSU 12/2015
  • Mkrtychev Oleg Vartanovich - Moscow State University of Civil Engineering (National Research University) (MGSU) Doctor of Technical Sciences, Head of Research Laboratory “Reliability and Earthquake Engineering”, Professor, Department of Strength of Materials, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation.
  • Dorozhinskiy Vladimir Bogdanovich - Moscow State University of Civil Engineering (National Research University) (MGSU) Candidate of Technical Sciences, Assistant Lecturer, Department of Strength of Materials, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation.
  • Sidorov Dmitriy Sergeevich - Moscow State University of Civil Engineering (National Research University) (MGSU) Candidate of Technical Sciences, Assistant Lecturer, Department of Strength of Materials, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation.

Pages 66-75

Earthquakes can be very strong and can lead to significant damages. Effect of earthquakes depend on seismic action characteristics (intensity, spectral composition, etc.), foundation soil properties in region of construction, design and construction quality. In seismically dangerous regions structural calculations the current design standards suppose the use of the coefficient K1, which takes account the non-linear work of construction material and the allowable damages of structures. Our research shows that a stiffening core fails in case of intensive earthquake if the walls are designed according to current design standards. Thus, plastic deformations do not occur and develop in the supporting elements at the beginning of the process, so the lowering coefficient K1 should be disregarded. As stiffening core is projected with account for the reduction factor K1, the existing reinforcement is not enough for standing the emerging stress and its failure happens followed by a redistribution of the stress to frame columns. The columns are also projected with account for the reduction factor K1 and are not able to take such an increase stress beyond design. There is destruction of column frame and complete collapse of the building. So seismic resistance of bearing structures is reduced several times. The approach to estimating K1 must be responsible, based on the latest scientific research, which sometimes could not be done according to the acting design standards.

DOI: 10.22227/1997-0935.2015.12.66-75

References
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  5. Khachatryan S.O. Spektral’no-volnovaya teoriya seysmostoykosti [Spectral-Wave Theory of Seismic Stability]. Seysmostoykoe stroitel’stvo. Bezopasnost’ sooruzheniy [Antiseismic Construction. Structures Safety]. 2004, no. 3, pp. 58—61. (In Russian)
  6. Radin V.P., Trifonov O.V., Chirkov V.P. Model’ mnogoetazhnogo karkasnogo zdaniya dlya raschetov na intensivnye seysmicheskie vozdeystviya [A Model of Multi-Storey Frame Buildings for Calculations on Intensive Seismic Effects]. Seysmostoykoe stroitel’stvo. Bezopasnost’ sooruzheniy [Antiseismic Construction. Safety of Structures]. 2001, no. 1, pp. 23—26. (In Russian)
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  11. Simbort E.Kh.S. Metodika vybora koeffitsienta reduktsii seysmicheskikh nagruzok K1 pri zadannom urovne koeffitsienta plastichnosti m [Methodology of Selecting Seismic Loads Gear Ratio of Reduction K1 with Given Plastic Ratio m]. Inzhenerno-stroitel’nyy zhurnal [Engineering and Construction Journal]. 2012, vol. 27, no. 1, pp. 44—52. (In Russian)
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Analysis of functioning and development of rf investment-construction complex

Vestnik MGSU 12/2016
  • Petrov Aleksandr Alekseevich - Saint Petersburg State University of Architecture and Civil Engineering (SPbGASU) Doctor of Economics, Professor, Department of management of the organization, Saint Petersburg State University of Architecture and Civil Engineering (SPbGASU), 4 2-ya Krasnoarmeyskaya str., Saint-Petersburg, 190005, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Geras’kina Inna Nikolaevna - Saint Petersburg State University of Architecture and Civil Engineering (SPbGASU) Candidate of Economics, Associate Professor, Department of management of the organization, Saint Petersburg State University of Architecture and Civil Engineering (SPbGASU), 4 2-ya Krasnoarmeyskaya str., Saint-Petersburg, 190005, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 124-137

In the article, main moments of investigation of development of the investment construction complex as a subsystem of the national economy are presented. The urgency of investment construction complex research as a synergistic system with using a phased approach is substantiated to identify systemic patterns and modeling capabilities for the accelerated development due to the synergistic effects. Exploring statistic and directions of phase curves of main economic parameters of the investment-construction complex, it is found that the construction sector in 2011 came out to attractor which still tied with raw materials through the development of the economic system, so innovative development is possible through the bifurcation of the phase portrait caused by bifurcation of the Russian economy.

DOI: 10.22227/1997-0935.2016.12.124-137

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FORMULA OF MODERN ARCHITECTURE IS DYNAMICS OF SPACE

Vestnik MGSU 1/2012
  • Lapshina Elena Gennadyevna - Penza State University of Architecture and Construction Candidate of Architecture, Professor, applicant for academic degree of Doctor in NNGASU, Holder of the Chair of Architectural design base +7 (841) 2-49-59-29; fax: +7(841) 249-72-77, Penza State University of Architecture and Construction, 28, G. Titov str., Penza, 440028, Russia; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 17 - 21

The offered paper is to brief the critical analyze of space conceptions, which were constructed by some well-known architects during XX century in Russia and abroad.

DOI: 10.22227/1997-0935.2012.1.17 - 21

References
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  3. Nekrasov A.I. Teorija arhitektury [The Theory of Architecture]. Moscow, Stroisdat, 1994, 478 p.
  4. Wright F.L. Novye principy v arhitekture [New principals of Architecture]. http://www.archi.com.ua/ru/biograf/wright/.
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  7. Norberg-Schulz, Chr. Existence, Space and Architecture, NY, 1971, 120 p.
  8. Azizjan I.A., Dobricina I.A., Lebedeva G.S. Teorija kompozicii kak pojetika arhitektury [The Theory of composition as poetic of architecture]. Moscow, Progress – Tradition, 2002, 568 p.
  9. Jencks Charles. Aphorisms on Power. Architectural Design, no 1. London, 1995, Pp. 21—23.
  10. Eisenman Peter. En Terror: In Trails of Grotextes. Architectural Design, no 8. London, 1989, Pp. 40—43.
  11. Bokov A.V. Geometricheskie osnovanija arhitektury v kartine mira [Geometry Principles of Architecture in World Picture]. Moscow, 1995, 44 p.
  12. Dobricina I.A. Ot postmodernizma — k nelinejnoj arhitekture. Arhitektura v kon-tekste sovremennoj filosofii i nauki [From Postmodern to the Nonlinear Architecture. Architecture at Context of Contemporary Philosophy and Since]. Moscow, 2007.

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