[1]李军,张云飞,高健博.遭遇横风时高墩高架上的地铁车辆运行安全性[J].华侨大学学报(自然科学版),2019,40(4):421-428.[doi:10.11830/ISSN.1000-5013.201810055]
　LI Jun,ZHANG Yunfei,GAO Jianbo.Running Safety of Metro Vehicle Over High-PierViaduct Under Crosswind[J].Journal of Huaqiao University(Natural Science),2019,40(4):421-428.[doi:10.11830/ISSN.1000-5013.201810055]
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遭遇横风时高墩高架上的地铁车辆运行安全性()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第40卷
期数:
2019年第4期
页码:
421-428
栏目:
出版日期:
2019-07-10

文章信息/Info

Title:
Running Safety of Metro Vehicle Over High-PierViaduct Under Crosswind
文章编号:
1000-5013(2019)04-0421-08
作者:
李军1; 2;  张云飞1;  高健博1
1. 重庆交通大学 机电与车辆工程学院, 重庆 400074;2. 重庆交通大学 城市轨道交通车辆系统集成与控制重庆市重点实验室, 重庆 400074
Author(s):
LI Jun1; 2;  ZHANG Yunfei1;  GAO Jianbo1
1. School of Mechatronics and Vehicle Engineering, Chongqing Jiaotong University, Chongqing 400074, China; 2. Chongqing Key Laboratory of Integration and Control for Urban Rail Transit Vehicle System, Chongqing Jiaotong University, Chongqing 400074, China
关键词:
地铁车辆;  横风;  高墩高架;  地铁线路;  山区城市;  车辆-轨道-桥梁耦合振动
Keywords:
metro vehicle;  crosswind;  high-pier viaduct;  metro lines;  mountain city;  vehicle-track-bridge coupled vibration
分类号:
U27
DOI:
10.11830/ISSN.1000-5013.201810055
文献标志码:
A
摘要:
首先,基于山区城市地铁线路条件,建立风区横风-车辆-高墩桥梁模型;然后,选取计算参数并确定评价指标,对风-车-桥系统的特性进行分析;最后,对车速及风速的影响规律和安全阈值进行研究.结果表明:风区条件和高墩条件不可忽视;横风引起车、梁及墩的剧烈振动,由于高墩稳定性较差,加剧车辆运行的不稳定性;车-桥系统响应随风速显著增加,且随车速出现波动;当标准高度风速达到21.4 m·s-1时,已无法保证车辆以最高时速运行.
Abstract:
According to actual construction conditions of the mountain city, a dynamic model of the vehicle-track-bridge system was established first. Then its calculation parameters were selected and evaluation indices were determined. The characteristics of the wind-vehicle-bridge system were analyzed. Finally the effect of vehicle speed and wind speed were studied. The experimental results indicates that the wind condition and high-pier condition cannot be neglected. The crosswind caused strong vibration of car, beam and pier. The responses of vehicle-bridge system increased significantly with wind speed, and fluctuated with train speed. When the wind speed of standard height reaches 21.4 m·s-1, the highest speed of the vehicle on the bridge cannot be guaranteed.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2018-10-23
通信作者: 李军(1964-),男,教授,博士,主要从事新能源汽车、自动驾驶车辆及城市轨道交通的研究.E-mail:cqlee-jun@163.com.
基金项目: 国家自然科学基金资助项目(51305472); 重庆市轨道交通车辆系统集成与控制重庆市重点实验室项目(CSTC2015yfpt-zdsys30001)
更新日期/Last Update: 2019-07-20