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DESIGNING AND DETAILING OF BUILDING SYSTEMS. MECHANICS IN CIVIL ENGINEERING

Strength and stability analysis of load-bearing structures of a high-rise building with account for actual positions of reinforced concrete structural members

Vestnik MGSU 4/2015
  • Belostotskiy Aleksandr Mikhaylovich - Moscow State University of Civil Engineering (MGSU) Doctor of Technical Sciences, Professor, Moscow State University of Civil Engineering (MGSU), ; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Akimov Pavel Alekseevich - Moscow State University of Civil Engineering (MGSU) Doctor of Technical Sciences, chair, Department of Computer Sciences and Applied Mathematics, Corresponding Member of Russian Academy of Architecture and Construction Sciences, chief research worker, Research and Educational Center of Computational Simulation of Unique Buildings, Structures and Complexes, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (499) 183-59-94, +7 (499) 929-50-17; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Petryashev Nikolay Olegovich - Moscow State University of Civil Engineering (MGSU) engineer, Research and Educational Center of Computational Simulation of Unique Buildings, Structures and Complexes, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (499) 183-59-94, +7 (499) 929-50-17; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Petryashev Sergey Olegovich - Moscow State University of Civil Engineering (MGSU) engineer, Research and Educational Center of Computational Simulation of Unique Buildings, Structures and Complexes, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (499) 183-59-94, +7 (499) 929-50-17; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Negrozov Oleg Aleksandrovich - Moscow State University of Civil Engineering (MGSU) postgraduate student, Department of Computer Sciences and Applied Mathematics, engineer, Research and Educational Center of Computational Simulation of Unique Buildings, Structures and Complexes, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (499) 183-59-94, +7 (499) 929-50-17; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 50-68

The given paper is devoted to strength and stability analysis of load-bearing structures of a high-rise (54-storey) building with allowance for actual positions of reinforced concrete structural members (columns and walls). Finite element method (FEM) is used for structural analysis. The authors present formulations of problems, governing equations, information about basic three-dimensional finite element models (so-called “design” (ideal) model, the first “actual” model (taking into account the deviations of positions of columns from the project) and the second “actual” model (taking into account the deviations of positions of walls from the project)) of the coupled system “high-rise building - foundation” within ANSYS Mechanical software and their verification, numerical approach to structural analysis and corresponding solvers. Finite element models include mainly 4-node structural shell elements (suitable for analyzing foundation slabs, floor slabs and load-bearing walls) and three-dimensional 2-node beam elements (suitable for analyzing beams and columns), special spring-damper elements and multipoint constraint elements. Detailed finite element mesh on the bottom foundation slab is agreed with the location of piles. The advanced model of Prof. Yu.K. Zaretsky is used for approximation of soil behavior. Construction sequence and various types of nonlinearities are taken into account. The results of modal analysis, static and dynamic analysis with various load combinations (gravity load, facade load, dead (constant) loads, temporary loads, wind load, snow load, crown load etc.) are considered, the results of the regulatory assessment of the strength of structures (obtained with the use of corresponding software in accordance with design codes of the Russian Federation) are under consideration as well. The corresponding displacements, stresses, natural vibration frequencies can be used for research and development of the correct monitoring method of the foundation and load-bearing structures of a high-rise building.

DOI: 10.22227/1997-0935.2015.4.50-68

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