Numerical Analysis of Cyclic Loading Test of Shear Walls based on OpenSEES
Han Xiaolei Chen Xuewei Jack CHEANG Mao Guiniu Wu Peifeng

ABSTRACT :
Neither the original structure nor the altered structure of the Garden Hotel in Guangzhou accords with the ductile details of seismic design based on current Chinese codes. In order to explore the seismic performance of the original shear wall structure and the altered shear wall structure, the cyclic loading testes of the shear walls with different reinforcement ratio and constructional details are carried out. This paper presents the numerical analysis of the cyclic loading testes of shear walls with SWNA (Shear Wall Nonlinear Analysis) program. SWNA program is secondary developed based on OpenSEES and MVLEM. Compare with the testes, the numerical results confirmed the accuracy of this analysis procedure in representing the nonlinear behavior of the shear wall, such as the shifting of natural axis, shear deformation, local collapse and collapse mechanism. The analysis procedure based on MVLEM, which saves the calculating cost due to fewer DOFs, can stimulate the nonlinear behavior of the shear wall, and fit for global inelastic analysis and performance based design of tall building structure.

KEYWORDS: Shear wall, Cyclic loading test, OpenSEES, MVLEM, Nonlinear analysis

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[本日志由 dinochen1983 于 2010-02-06 08:14 PM 编辑]
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