| 武汉火车站多点输入地震反应时程分析 |
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| 引用本文： | 刘枫,杜义欣,赵鹏飞,潘国华,陶勇,汤荣伟,颜峰. 武汉火车站多点输入地震反应时程分析[J]. 建筑结构, 2009, 0(1) |
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| 作者姓名： | 刘枫 杜义欣 赵鹏飞 潘国华 陶勇 汤荣伟 颜峰 |
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| 作者单位： | 中国建筑科学研究院;中铁第四勘察设计院集团有限公司; |
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| 摘 要： | 武汉火车站支撑结构东西向长度为258m(屋盖长度约300m),南北向长度为476m,南北向超长。对武汉站采用时程分析法,进行了考虑行波效应的多点输入地震反应分析。对多点输入与单点输入情况下的基底总剪力、扭转效应以及重要构件内力均进行了比较,讨论了不同视波速度对分析结果的影响。针对不同类型构件,给出了考虑多点输入影响的地震作用效应调整系数,并对这些构件进行了在多点输入地震组合工况下的截面验算,计算结果表明全部构件均满足规范要求,不必要因多点输入而采取特殊的构造措施。
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| 关 键 词： | 多点输入 地震反应 时程分析 |
Time-history analysis of Wuhan railway station under multi-support seismic excitation |
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| Liu Feng,Du Yixin,Zhao Pengfei,Pan Guohua,Tao Yong,Tang Rongwei,Yan Feng. Time-history analysis of Wuhan railway station under multi-support seismic excitation[J]. Building Structure, 2009, 0(1) |
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| Authors: | Liu Feng Du Yixin Zhao Pengfei Pan Guohua Tao Yong Tang Rongwei Yan Feng |
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| Affiliation: | 1 China Academy of Building Research;Beijing 100013;China;2 China Railway Siyuan Survey and Design Group Co.;Ltd.;Wuhan 430063;China |
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| Abstract: | The supporting structure of Wuhan railway station is super long in south to north direction,with dimension of 258m from east to west,and 476m from south to north.The time-history seismic analysis considering traveling effect is carried out.The base shear,torsion effect and internal force of important members between multi-support excitation and single-support excitation are compared.The corresponding analysis results under different traveling speed are discussed.The adjustive coefficients considering multi-... |
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| Keywords: | multi-support excitation seismic time-history analysis |
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