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| 列车-轨道(桥梁)时变系统横向振动稳定性与失稳临界车速分析方法 | |
| 引用本文： | 向俊,曾庆元. 列车-轨道(桥梁)时变系统横向振动稳定性与失稳临界车速分析方法[J]. 交通运输工程学报, 2011, 0(1): 19-24 |
| 作者姓名： | 向俊 曾庆元 |
| 作者单位： | 中南大学土木建筑学院; |
| 基金项目： | 国家973计划项目(2007CB714706); 国家自然科学基金项目(50678176); 高等学校博士学科点专项科研基金项目(20100162110022); 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自由探索自主研究课题(TPL0901) |
| 摘 要： | 基于不明原因列车脱轨机理与运动系统平衡状态稳定性分析的能量增量准则,提出了列车-轨道(桥梁)时变系统横向振动稳定性与失稳临界车速分析方法,确定了系统横向振动最大输入能量及其增量,计算了系统横向振动极限抗力做功及其增量,建立了系统横向振动稳定性评判准则,计算了系统横向振动失稳临界车速.通过算例,计算了高速列车-无砟轨道时... |
| 关 键 词： | 铁道工程 列车-轨道(桥梁)系统 运动稳定性 能量增量准则 临界车速 容许极限车速 |
Analysis method of stability and critical speed for train-track (bridge) time-variable system under lateral vibration condition |
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| XIANG Jun,ZENG Qing-yuan. Analysis method of stability and critical speed for train-track (bridge) time-variable system under lateral vibration condition[J]. Journal of Traffic and Transportation Engineering, 2011, 0(1): 19-24 | |
| Authors: | XIANG Jun ZENG Qing-yuan |
| Affiliation: | XIANG Jun,ZENG Qing-yuan(School of Civil Engineering and Architecture,Central South University,Changsha 410075,Hunan,China) |
| Abstract: | On the basis of the mechanism of train derailment caused by unknown reasons and the energy increment criterion for checking the stability of equilibrium state of a system in motion,the analysis method of lateral vibration stability of train-track(bridge) time-variable system and the calculation methods of critical speed and admissible limit speed for the system under lateral vibration condition were put forward.Under lateral vibration condition,for the system,the maximum input energy and its increment were ... |
| Keywords: | railway engineering train-track(bridge) system dynamic stability energy increment criterion critical speed admissible limit speed |
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