Effect of soil-structure interaction on torsional response of asymmetric wall type systems

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Abstract

Generally in the analysis of structures, the base of structures is assumed to be fixed. Whereas, the soil under the structures foundation modify earthquake loading and also change the structural properties. Therefore, considering the fixed base in the structure analysis is not realistic. On the other hand, recent studies have pointed out that for an important class of widely used structural elements such as reinforced concrete flexural walls; stiffness is a strength dependent parameter. This implies that the lateral stiffness distribution in an asymmetric wall-type system cannot be evaluated prior to the assignment of elements' strength. Consequently, both stiffness and strength eccentricity are important parameters affecting the seismic response of asymmetric wall-type systems. In this study, for different position of stiffness and strength eccentricity, torsional response of asymmetric wall-type system is evaluated. In this evolution the effect of foundation flexibility, is assumed.

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Shakib, H., & Atefatdoost, G. R. (2011). Effect of soil-structure interaction on torsional response of asymmetric wall type systems. In Procedia Engineering (Vol. 14, pp. 1729–1736). https://doi.org/10.1016/j.proeng.2011.07.217

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