| 跨座式轻轨钢轨道梁的动力特性有限元分析 |
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| 引用本文： | 刘羽宇,葛玉梅,杨翊仁.跨座式轻轨钢轨道梁的动力特性有限元分析[J].世界桥梁,2010(1). |
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| 作者姓名： | 刘羽宇 葛玉梅 杨翊仁 |
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| 作者单位： | 西南交通大学力学与工程学院,四川,成都,610031 |
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| 摘 要： | 为研究跨座式单轨交通钢轨道梁的动力特性,以重庆市袁家岗-谢家湾区间40.5 m简支跨座式单轨交通钢轨道梁为研究对象,应用ANSYS的APDL语言,采用直接生成法建立有限元模型,分别计算模型的自振特性、静力和动力响应。动力分析的计算模型采用4辆车厢编组,车速为20~80 km/h,分单线和双线加载。计算结果表明:该钢轨道梁基频较高,结构振型复杂,具有较高的整体刚度及强度,动力特性符合规范要求;平联及横梁对轨道梁的横向刚度和扭转刚度贡献较大;单线行车时轨道梁会产生扭转,使其上翼缘产生较大的横向位移。
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| 关 键 词： | 跨座式单轨交通 轻轨 钢轨道梁 自振特性 动力响应 有限元法 |
Finite Element Analysis of Dynamic Behavior of Monorail Steel Track Beam of Straddle Type Light Rail Transit |
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| LIU Yu-yu,GE Yu-mei,YANG Yi-ren.Finite Element Analysis of Dynamic Behavior of Monorail Steel Track Beam of Straddle Type Light Rail Transit[J].World Bridges,2010(1). |
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| Authors: | LIU Yu-yu GE Yu-mei YANG Yi-ren |
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| Institution: | School of Mechanics and Engineering;Southwest Jiaotong University;Chengdu 610031;China |
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| Abstract: | To study the dynamic behavior of the monorail steel track beam of straddle type light rail transit,the 40.5-m span simply-supported monorail steel track beam in the section of the light rail transit from Yuanjiagang to Xiejiawan in Chongqing City was selected as the research object and the APDL language of the ANSYS was used to establish the finite element model by the direct generation method.The natural vibration characteristic,static load and dynamic load response of the model were respectively calculate... |
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| Keywords: | straddle type monorail transit light rail steel track beam natural vibration characteristic dynamic response finite element method |
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