圆钢管混凝土构件弯矩-曲率滞回特性研究  

Research on moment-curvature hysteretic behaviors of concrete filled circular steel tubes

作　　者：韩林海[1] 陶忠[1] 闫维波 

机构地区：[1]哈尔滨建筑大学,哈尔滨150090

出　　处：《地震工程与工程振动》2000年第3期50-59,共10页Earthquake Engineering and Engineering Dynamics

基　　金：霍英东教育基金!(0501064);地震科学联合基金

摘　　要：首先确定了往复应力作用下组成圆钢管混凝上的钢材和核心混凝土的应力－应变关系模型，在此基础上，利用数值计算方法，对圆钢管混凝土构件弯矩－曲率滞回关系曲线进行了理论分析，其结果和试验结果吻合良好．最后，提出圆钢管混凝土构件弯矩－曲率恢复力模型，给出模型中有关参数的计算公式，可为圆钢管混凝土体系弹塑性分析提供参考．The stress-strain hysteretic models of the steel and concrete are put forward in this .paper. Numerical method is used to analyze the moment -curvature hysteretic behavior of concrete filled circular steel tubes. The analytical results agree well with the experimental ones. Finally. The restoring force model of the moment-curvature curve is presented and the corresponding simplified formulae of the parameters in the model are proposed as well. They may be used for elasto-plastic analysis of the structural system.

关 键 词：圆钢管混凝土 往复荷载 曲率 滞回性能 

分 类 号：TU528.59[建筑科学—建筑技术科学]