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| 横风作用下高速列车-板式轨道系统空间振动分析 | |
| 引用本文： | 向俊,彭铁光,赫丹,曾京.横风作用下高速列车-板式轨道系统空间振动分析[J].铁道科学与工程学报,2009,6(4). |
| 作者姓名： | 向俊 彭铁光 赫丹 曾京 |
| 作者单位： | 1. 中南大学,土木建筑学院,湖南,长沙,410075 2. 中南大学,土木建筑学院,湖南,长沙,410075;广州铁路集团公司,广东,广州,510088 3. 西南交通大学,牵引动力国家重点实验室,四川,成都,610031 |
| 基金项目： | 国家重点基础研究发展计划项目(2007CB714706); 国家自然科学基金资助项目(50678176); 新世纪优秀人才支持计划项目(NCET-07-0866); 牵引动力国家重点实验室开放课题资助项目(TPL0901) |
| 摘 要： | 基于高速列车-板式轨道系统空间振动分析理论,考虑横风作用效应,建立了风-高速列车-板式轨道系统振动分析模型,推导了列车风荷载势能;将它与列车振动势能及板式轨道振动势能相加,得出系统振动总势能;根据弹性系统动力学总势能不变值原理及形成系统矩阵的"对号入座"法则,建立系统空间振动矩阵方程,并编制了相应计算程序.分析了横风作用下高速列车和板式轨道的动力响应.研究结果表明:横风对车体的横向及竖向位移、轮重减载率、倾覆系数等有很大影响,对脱轨系数、横向Sperling 指标有一定的影响,而对钢轨的横向及竖向位移影响很小. |
| 关 键 词： | 板式轨道 高速列车 横风 空间振动 |
Analysis of spatial vibration of high-speed train and slab track system under cross-wind |
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| XIANG Jun , PENG Tie-guang , HE Dan , ZENG Jing.Analysis of spatial vibration of high-speed train and slab track system under cross-wind[J].Journal of Railway Science and Engineering,2009,6(4). | |
| Authors: | XIANG Jun PENG Tie-guang HE Dan ZENG Jing |
| Affiliation: | XIANG Jun1,PENG Tie-guang1,2,HE Dan1,ZENG Jing3 (1.School of Civil , Architectural Engineering,Central South University,Changsha 410075,China,2.Guangzhou Railroad Group Company,Guangzhou 510088,3.Traction Power State Key Laboratory,Southwest Jiaotong University,Chengdu 610031,China) |
| Abstract: | A dynamic analysis model of wind and high-speed train and slab track system was presented according to the analysis theory of spatial vibration of high-speed train and slab track system and by taking cross-wind loads on trains into consideration.The potential energy of the cross-wind load on the train was derived,the total potential energy of the system vibration was obtained by combing the potential energy of the cross-wind load,the potential energy of the train vibration and the potential energy of the sl... |
| Keywords: | slab track high-speed train cross-wind spatial vibration |
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