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Finite element analysis of an innovative CS-MRF-BCSPSW system

YU Zhiqiang;ZHOU Xuhong;YAO Liangliang;LAN Shengning;LI Chunxiang;College of Civil Engineering,Hunan University;Chongqing University;Department of Civil Engineering,Shanghai University;  
An innovative lateral force resistant system,proposed as the cable-stayed steel moment resistant framebeam connection based steel plate shear walls(CS-MRF-BCSPSW) system,is introduced and discussed.The CSMRF-BCSPSW system integrates the steel moment resistant frames(MRFs),steel plate shear walls(SPSWs),and inclined cables,thus effectively promoting the lateral resistant capacity of the MRF-BCSPSW system.Likewise,the CS-MRF-BCSPSW renders both the dual seismic defense lines and self-centering capacity,with the BCSPSWs having high energy dissipation capability under severe earthquakes.Firstly,the composition and ABAQUS finite element model of the CS-MRF-BCSPSWsystem are elucidated.Subsequently,the lateral force resistant capacity of the CS-MRF-BCSPSW system is numerically evaluated.Specifically,the effects are scrutinized of the BCSPSW heightto-thickness ratio and aspect ratio,cable angle,cable area,cable prestressing force on the lateral elastic stiffness and lateral force resisting as well as the BCSPSW height-to-thickness ratio and aspect ratio and cable prestressing force on the hysteretic energy dissipation capability.The results demonstrate that the CS-MRF-BCSPSW is an innovative structural seismic-resistant system with high performance.
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