Research on Deformation Index Limits of RC Shear Walls Based on Material Damage

Abstract:

This paper divides the seismic performance of shear wall into five levels: integrity, slight damage, slight ~ moderate damage and serious damage which are defined based on material damage. And physical and mechanical description of shear walls in each performance level is given. The displacement angle is selected as the seismic performance index limit. The numerical analysis of 524 pieces of shear walls has been made to discuss the influence on seismic deformation index limits of component according to axial compression ratio, flexure shear ratio, the nominal shear stress level, the hoop characteristic value and the reinforcement ratio of longitudinal bars. With mathematical statistic method, the calculation formula for deformation index limits of components is obtained, which can be used as the basis in the performance-based seismic evaluation of shear wall structures.

• Periodical: Applied Mechanics and Materials (Volume 507)
• Pages: 322-327
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.507.322
• Online since: January 2014
• Authors: Yong Le Qi, Xin Xian Zhou, Can Dong Xie
• Keywords: Deformation Index Limits, Material Damage, Performance-Based, Shear Wall

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