预应力钢—混凝土组合梁有限元非线性分析  

Nonlinear analysis of prestressed composite steel—concrete beams by the finite element method

作　　者：宗周红[1] 车惠民[2] 房贞政[1] 

机构地区：[1]福州大学土木建筑工程学院,福建福州350002 [2]西南交通大学土木工程学院,四川成都610031

出　　处：《中国公路学报》2000年第2期48-51,共4页China Journal of Highway and Transport

基　　金：国家自然科学基金项目! (59338130 );福建省科委项目! (98Z37)

摘　　要：给出了预应力钢—混凝土组合梁有限元非线性分析中的钢与混凝土分层板壳单元、栓钉剪力连接件和预应力钢索的线性单元模型 ,以有限变形理论为基础 ,同时考虑了材料非线性和几何非线性 。This paper presents concrete and steel plate/shell elements, a mechanical stud shear connection element, as well as prestressed strand element. For the nonlinear analysis of prestressed composite beams both material nonlinearity and geometrical nonlinearity are considered on the basis of limited deformation theory. The correlation between the numerical calculation of proposed analytical procedure and the experimental results are very good.

关 键 词：非线性分析 有限元 组合梁桥 预应力钢-混凝土 

分 类 号：U448.216[建筑科学—桥梁与隧道工程]