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《Journal of Huazhong University of Science and Technology(Urban Science Edition)》 2006-02
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Effect of Joint Stiffness on Dynamic Behaviors and Seismic Properties of Two-Dimensional Multistory Steel Frames

ZHANG Yi-zhou~1 WANG Yuan-qing~1 SHI Gang~1 SHI Yong-jiu~1 SHU Xing-ping~2(1.Dept.of Civil Eng.,Tsinghua Univ.,Beijing 100084,China;2.School of Civil Eng.,Hunan Univ.,Changsha 410082,China)  
This paper presents the normal types of the semirigid connections used in multistory steel frames.Taking the semirigid end-plate joint as a spring element,FEM models are set up by Ansys software.The dynamic properties of the steel frames with semirigid connections are discussed,and the influence of semirigid connections on the multistory steel frames design is studied.The result shows that the steel frames with semirigid connections are different from that with rigid connections.The flexibility of the connections affects the natural periods,mode factors of the frames and the seismic properties.
【Fund】: 教育部优秀青年教师资助计划项目;; 清华大学基础研究基金资助项目(JCqn2005006)
【CateGory Index】: TU391
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