| 曲线箱梁桥的地震反应分析 |
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| 引用本文： | 肖卓,赵青. 曲线箱梁桥的地震反应分析[J]. 工程抗震与加固改造, 2009, 31(3): 9-15 |
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| 作者姓名： | 肖卓 赵青 |
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| 作者单位： | 安徽建筑工业学院土木工程学院,安徽,合肥,230022 |
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| 基金项目： | 安徽省教育厅自然科学研究项目 |
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| 摘 要： | 结合某城市一立交工程匝道高架曲线箱梁桥的工程实例,采用大型有限元分析程序ANSYS,选取空间梁单元建立动力计算模型,研究了曲线箱梁桥的动力特性;并选取三条地震波在桥的纵、横向同时进行桥梁地震作用下的时程分析,给出了曲线箱梁和桥墩的内力、位移时程反应,并与反应谱法的计算结果进行了比较.结果表明:低阶振型对桥墩的弯扭变形影响较大,反应谱法的计算结果偏小.
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| 关 键 词： | 曲线箱梁 时程分析法 地震反应 |
Seismic Response Analysis of Curved Box-girders Bridge |
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| Xiao Zhuo,Zhao Qing. Seismic Response Analysis of Curved Box-girders Bridge[J]. Earthquake Resistant Engineering and Retrofitting, 2009, 31(3): 9-15 |
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| Authors: | Xiao Zhuo Zhao Qing |
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| Affiliation: | Xiao Zhuo,Zhao Qing(Department of Civil Engineering,Anhui Institute of Architecture and Industry,Hefei 230022,China) |
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| Abstract: | Taking an engineering design case about a curved box-girders bridge,the dynamic calculating model of the curved box-girders bridge is created by the finite element analysis program ANSYS.The dynamic characteristic of the curved box-girders bridge is discussed,a time history analysis is conducted for the curved box-girders bridge subjected to three earthquake waves in the longitudinal and the lateral direction,and the internal force,displacement and the time history response of the curved box-girders and bri... |
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| Keywords: | curved box-girders time history analysis method seismic response |
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