Bearing capacity analysis of reinforced concrete L-shaped cross-section under biaxial eccentric compression

查看全文 作　　者：JIAO Junting , YE Yinghua and DIAO Bo(Department of Civil Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China) 出　　处：《Progress in Natural Science:Materials International》索引2003年第13卷第6期,共5页 基　　金：the National Natural Science Foundation of China (Grant.Nos.50178008 and 59978004) 摘　　要：The ultimate capacity of short L-shaped reinforced concrete(RC) mernbers subjected to biaxial eccentric compression is investigated to provide a new tool for structure engineers.On the basis of nonlinear analysis of RC arbitrary cross-section,a new simplified cross-section numerical integration method is suggested.The cross-section is divided into several triangles,and each one is integrated with Gauss integration method.And L-shaped cross-sections subjected to biaxial eccentric compression are analyzed.The interaction curves of (N-M) and (My-Mz) for L-shaped sections are derived.The analytical results are well consistent with the experimental data and other analytical results. 关 键 词：非线性分析 增强混凝土结构 结构设计 轴偏压 承载能力