| 基于MIDAS的大跨度斜拉桥行波效应分析 |
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| 引用本文： | 崔鹏举,高大峰.基于MIDAS的大跨度斜拉桥行波效应分析[J].武警工程学院学报,2012(4):49-52. |
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| 作者姓名： | 崔鹏举 高大峰 |
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| 作者单位： | [1]武警工程大学建筑工程系,陕西西安710086 [2]西安建筑科技大学土木学院,陕西西安710055 |
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| 摘 要： | 针对宜巴段三塔四跨斜拉桥工程实例，结合MIDAS软件，进行动态时程分析，对比研究了行波效应对桥塔、桥墩各控制点的位移、剪力以及轴力的纵向地震反应的影响。通过施加-EL-Centro纵向地震波作用，模拟出斜拉桥控制点的位移、内力地震反应最大值，得出结论：对于多塔斜拉桥，行波效应对各桥塔塔底、各桥塔塔顶内力、位移响应的影响不同。
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| 关 键 词： | 斜拉桥 时程分析 行波效应 |
Travelling Wave Effect Analysis of Long -Span Cable-Stayed Bridge Based on MIDAS |
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| CUI Peng-ju,GAO Da-feng.Travelling Wave Effect Analysis of Long -Span Cable-Stayed Bridge Based on MIDAS[J].Journal of Engineering College of Armed Police Force,2012(4):49-52. |
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| Authors: | CUI Peng-ju GAO Da-feng |
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| Institution: | 1. Department of Architecture Engineering, Engineering Univesity of CAPF, Xi＇an 710086, China ; 2. College of Civil Engineering, Xi＇an University of Architecture and Technology, Xi＇an 710055, China) |
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| Abstract: | Based on an engineering case of a cable stayed bridge with tri - tower and four spans structure, using MIDAS, and carrying out the dynamic time history analysis, we study the displacement, shear and axial force on seismic response of the vertical of per controlling points of bridge tower and piers bottom under the traveling wave effect. Simulation is made to obtain the seismic response maximum of displacement and internal force through loading a vertical seismic wave. Some conclutions are drown that the influence of the traveling wave effect for the internal force and displacement of a bridge bottom and the tower is different for cablestayed bridges. |
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| Keywords: | cable -stayed bridge time history analysis traveling wave effect |
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