上海南浦大桥纵向地震反应分析  

LONGITUDINAL SEISMIC RESPONSE ANALYSIS FOR SHANGHAI NANPU BRIDGE

作　　者：范立础[1] 袁万城[1] 胡世德[1] 

机构地区：[1]同济大学

出　　处：《土木工程学报》1992年第3期2-8,共7页China Civil Engineering Journal

摘　　要：本文采用克拉夫(Clough)拟静力位移的概念,建立包括桩周土弹簧在内的结构多点激振增量动力平衡方程,并考虑了拉索、塔和辅助墩预应力拉索支座的非线性,对上海南浦大桥进行了考虑桩-土-结构相互作用和行波效应的纵向水平地震反应分析。Shanghai Nanpu Bridge with a main span of 423m is a cable-stayed bridge.In this paper, the incremental motion equation of the multi-support seismicexcitation is formulated by use of Clough's concept of pseudo-static displace-ment. Longitudinal seismic response analysis are made for the Nanpu Bridge,considering the pile-soil-structure interaction and travelling-wave effect, inwhich the nonlinear behaviors of stay cable, tower and prestressed wire cablesupport are included.

关 键 词：桥 地震反应 桩基 土 相互作用 

分 类 号：U442.55[建筑科学—桥梁与隧道工程]