地震波扭转分量及其对异形柱结构的影响分析

英文篇名：Torsional component of seismic waves and its influence analysis on specially-shaped column structure
中文刊名：四川建筑科学研究
英文刊名：Sichuan Building Science
作者：陈向上 ; 徐东强 ; 张俊华
英文作者：CHEN Xiangshang ; XU Dongqiang ; ZHANG Junhua(Institute of Civil Engineering ; Hebei University of Technology ; Tianjin 300401 ; China)
中文关键词：地震波 ; 扭转加速度 ; 异形柱 ; 框架结构 ; 地震反应
英文关键词：seismic waves ; rotational accelerate components ; specially-shaped column ; frame ; seismic response
出版日期：2011-02-25
机构：河北工业大学土木工程学院;
年：2011
期：01
出版单位：四川建筑科学研究

摘要

应用Matlab软件开发出的计算程序,利用El-Centro波及宁河地震波平动加速度分量获得其地震波扭转分量。通过ANSYS软件建立的异形框架柱结构空间弹塑性分析模型,对结构进行多维(双向水平加扭转方向)地震波加速度分量的弹塑性时程分析。结果表明,扭转地震分量对异形柱结构的影响较大,设计时应充分考虑其对结构效应的增大影响。
Obtained the rotational components from the translational components of El-Centro wave and Ninghe wave using the author's procedure of Matlab software,then the specially-shaped column frame's space elastoplasticity model was established using the ANSYS software,and the time history analysis was carried on when the rotational component and the translational components were input to the above model.The result indicated that the specially-shaped column structure is very sensitive to the multi-dimensional seismic including rotational seismic component,the enlarged effect should be considered fully when the specially-shaped column structure was designed to improve it's seismic safety.

引文

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