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DESIGNING AND DETAILING OF BUILDING SYSTEMS. MECHANICS IN CIVIL ENGINEERING

ASSESSMENT OF RELIABILITY OF THE FOUNDATION SLAB RESTING ON THE LINEARLY DEFORMABLE BED AND CHARACTERIZED BY THE MODULUS OF DEFORMATION VARIABLE IN X- AND Y-AXIS DIRECTIONS

Vestnik MGSU 5/2012
  • Mkrtychev Oleg Vartanovich - Moscow State University of Civil Engineering (MSUCE) Doctor of Technical Sciences, Professor, Department of Strength of Materials, 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 .
  • Myasnikova Elena Stanislavovna - Moscow State University of Civil Engineering (MSUCE) postgraduate student, Department of Strength of Materials, 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 29 - 33

In the proposed article, the behaviour of a foundation slab resting on the linearly deformable bed and characterized by the modulus of deformation variable in x- and y-axis directions is considered. The modulus of deformation and the load distribution are based on a regular pattern that features the following parameters: modulus of deformation mean =25МРа coefficient of variation =0,2, load distribution mean 0,5 МРа; coefficient of variation =0,1. Correlation coefficients between 1, 2...=0As a result of the research, the authors have identified the empirical deflection to approximate the theoretical load distribution. The research has demonstrated that both deflection and slope values follow a regular load distribution pattern. If the deflection value exceeds 20 cm and the slope value exceeds 5cm, the structure fails. Therefore, the theory of probability may be applied to assess the probability of failure of any structure.

DOI: 10.22227/1997-0935.2012.5.29 - 33

References
  1. Mkrtychev O.V., Myasnikova E.S. Nadezhnost’ fundamentnykh konstruktsiy na nelineyno deformiruemom osnovanii [Reliability of Structures of Foundations Resting on the Nonlinearly Deformable Bedding]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2012, no. 4.
  2. Rzhanitsyn A.R. Teoriya rascheta stroitel’nykh raschetov na nadezhnost’ [Theory of Structural Analysis in terms of Reliability]. Moscow, Stroyizdat Publ., 1978.
  3. Sobolev D.N. Statisticheskie modeli uprugogo osnovaniya [Statistical Models of the Elastic Bedding]. Moscow, Moscow Institute of Civil Engineering named after V.V. Kuybyshev, 1973.

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