钢筋混凝土异形柱非线性分析  

Nonlinear analysis of special-shaped reinforced concrete columns

作　　者：张杜[1] 叶献国[1] 

机构地区：[1]合肥工业大学土木建筑工程学院,安徽合肥230009

出　　处：《合肥工业大学学报（自然科学版）》2003年第4期490-494,共5页Journal of Hefei University of Technology：Natural Science

基　　金：国家自然科学基金资助项目(59978013)

摘　　要：异形柱框轻结构是近年来应用较为广泛的结构形式,文章提出了异形截面柱的非线性分析的方法,考虑了纵筋锚固滑移和混凝土本构关系的下降段,用数值方法编制了异形柱全过程分析的程序,并对3种截面、共22种情况进行了计算,分析比较M-φ曲线,得出延性的变化规律。Lightweight framed structures with specialshaped R.C. columns are applied widely in recent years. In the paper,the method of nonlinear analysis of specialshaped R.C. columns is put forward while the full path of stressstrain relation of concrete and the sliding of longitudinal reinforcement anchoring are all considered. A computer program for a full range analysis of specialshaped columns is complied. Based on the analytical results of 22 sets of Lshaped, Tshaped and '+' shaped columns, the ductile behavior of the columns is investigated while the 'M-φ' curves are analyzed and compared.

关 键 词：钢筋混凝土 异形柱 非线性分析 纵筋锚固滑移 延性 模型 算法 

分 类 号：TU375.3[建筑科学—结构工程]