Seismic Resistance of Non-Linearly Deformable Large-Span Spatial Structures of Unique Buildings

Author:

Razzakov Saidmaksud R.1

Affiliation:

1. Samarkand State University of Architecture and Civil Engineering (SamGASU); LLC "Spatial structures, seismic resistance of buildings and structures"

Abstract

Analytical, computer and experimental modeling methods are applied in the study of seismic resistance and changing dynamic parameters of long-term loaded non-linearly deformed large-span spatial shell structures. Physically and geometrically nonlinear deformation models and computational algorithms for solving dynamic problems are proposed for estimating the stress-strain state of smooth and ribbed spatial systems with variable stiffness caused by damage accumulation and orthotropic structure reinforced by ribs. The possibility of using the proposed method of taking into account variable dynamic stiffness in calculations for solving problems of dynamic strength and stability of spatial large-span shells of unique buildings of complex geometry is shown.

Publisher

Moscow State University of Civil Engineering

Reference16 articles.

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3. Razzakov S.R. Composite reinforced concrete shells of building coverings under conditions of long-term op-eration and seismic effects. Tashkent: Fan Publishing House, 2004. 380 p. (In Russ.)

4. Razzakov S.R. Modeling of seismic resistance of spatial high -span unique structures in the operational stage. IOP Conf. series: Materials science and engineering. 2021. Vol. 1079. 0422064 doi 10 1088/1757-899 1079/4/042064/

5. Sargsyan A.E. Nakhopetyan A.A. Methodology for determining the dynamic effect of seismic effects on structures. Construction mechanics calculation of structures. 1988. No. 2. Pp. 10-12. (In Russ.)

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