强度偏心对偏心结构非弹性反应的影响分析  

Analysis of Eccentric Building's Inelastic Response Influenced by Strength Eccentricity

作　　者：黄宗明[1] 王耀伟[1] 

机构地区：[1]重庆大学土木工程学院,400045

出　　处：《建筑结构》2005年第3期48-50,共3页Building Structure

基　　金：国家自然科学基金资助项目(59978055)

摘　　要：偏心结构在强震作用下进入非弹性反应阶段后,楼层强度分布状态将会对结构扭转耦联反应产生明 显的影响作用。着重对比了不同周期的单层偏心结构受强度偏心的影响程度,以此提出了通过改变楼层强度 偏心距来降低结构非弹性扭转效应的方法,并采用基于有限元柔度法的纤维模型梁柱单元模拟分析了钢筋混 凝土偏心框架的非弹性地震反应,对该控制方法的有效性进行了验证。The coupled inelastic response of the eccentric building is influenced by the distribution of the strength in the story. The single eccentric building with different periods influenced by the strength eccentricity is researched using a single model, and the measure of strength eccentricity to control inelastic-coupled response is presented. The earthquake response of a RC frame is analyzed using the fiber beam-column element based on the flexibility method, and the effectiveness of the controlling measure is validated.

关 键 词：强度偏心 偏心结构 非弹性 楼层 扭转效应 纤维模型梁柱单元 钢筋混凝土 强震 周期 强度分布 

分 类 号：TU352[建筑科学—结构工程] TU323.3