重载铁路线路加固体系车线动力分析

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振动与冲击 ›› 2015, Vol. 34 ›› Issue (10) : 147-151.

论文

重载铁路线路加固体系车线动力分析

杨静静1，张楠1，战家旺1，高玉兰2，彭斌2

作者信息 +

Vehicle-line dynamic analysis of heavy rail reinforcement system

YANG Jing-jing1，ZHANG Nan1，ZHAN Jia-wang1，GAO Yu-lan2，PENG Bin2

Author information +

文章历史 +

摘要

针对既有线下进行框架桥顶进施工对铁路干线形成压力及列车以一定速度通过施工现场对重载铁路线加固体系形成强度大时间长的冲击振动，引入动力计算反映列车行驶振动及速度变化导致列车与轨道或加固体系共振，对重载铁路加固体系、车线耦合振动体系研究背景与基于全过程迭代的车线动力分析理论进行论述；对某重载铁路加固体系以平面车辆模型过桥方式分析车辆通过加固体系时的动力响应状态、车辆过桥时加固体系竖向位移及加速度、轮对减载状况；获得重载铁路桥涵顶进施工慢行限速60 km/h线路加固体系动力分析结论。

Abstract

It’s difficult to start a frame bridge’s jacking construction under existing lines for the busy railways. Larger vibration is induced to the reinforcement system especially for heavy railways when a vehicle passes the construction field at some speed. It is necessary to do the dynamic calculation to reflect the vibration or the resonance between the train and the rail or the reinforcement system as a result of the change of the speed. It first describes background of heavy rail jacking reinforcement and vehicle-line coupling vibration and the vehicle-line dynamic analysis method based on inter-system iteration in this paper. As a case study, the dynamic responses of heavy rail reinforcement system are calculated for plane vehicle model passing the bridge; the vertical displacement and acceleration of reinforcement system and the vertical wheel-rail interaction force are analyzed. It can be concluded from the results that the heavy rail reinforcement system is safe when a train is passing at a speed of 60km/h.

导出引用

杨静静1，张楠1，战家旺1，高玉兰2，彭斌2. 重载铁路线路加固体系车线动力分析[J]. 振动与冲击, 2015, 34(10): 147-151

YANG Jing-jing1，ZHANG Nan1，ZHAN Jia-wang1，GAO Yu-lan2，PENG Bin2. Vehicle-line dynamic analysis of heavy rail reinforcement system[J]. Journal of Vibration and Shock, 2015, 34(10): 147-151

参考文献

[1]    孟国清. 既有线框构桥顶进施工纵、横梁加固体系的分析[J]. 铁道工程学报, 2007,7:42-46.
MENG Guo-qing. Analyses of reinforcement system for jack-in constructure of vertical and lateral beams of frame bridge of existing railway line [J].Journal of Railway Engineering Society, 2007,7:42-46.
[2]     汪甜.重载铁路顶进线路加固技术[J].石家庄铁道大学学报,2011,24(3):40-43.
WANG Tian. Heavy rail jacking reinforcement techniques[J].Journal of Shijiazhuang Railway Institute,2011,24(3):40-43
[3]    夏禾, 张楠. 车辆与结构的动力相互作用[M]. 北京:科学出版社, 2005.
[4]    张楠, 夏禾. 基于全过程迭代的车桥耦合动力系统分析方法[J]. 中国铁道科学,2013,34(5):32-38.
ZHANG Nan, XIA He. A vehicle-bridge interaction system analysis method based on inter-system iteration [J].China Railway Scence, 2013, 34(5):32-38.
[5]   郭薇薇, 夏禾, De Roeck Guido. 意大利高速铁路Sesia 大桥的动力特性及车桥耦合振动分析[J]. 振动与冲击, 2013, 32(15): 82-88.
GUO Wei-wei, XIA He, De Roeck Guido. Dynamic characteristics and coupling vehicle-bridge vibration analysis of the high speed railway Sesia bridge in Italy
[J]. Journal of Vibration and Shock, 2013, 32(15): 82-88.
[6]     Zhang Nan, Xia He, Guo Wei-wei,et al. A vehicle-bridge linear interacted model and its validation [J]. International Journal of Structural
Stability and Dynamics, 2010, 10(2): 335-361.
[7]     Zhang Nan, Xia He. Dynamic analysis of coupled vehicle–bridge system based on inter-system iteration
method [J]. Computers and Structures, 2013, 114/115:
26-34.
[8]    翟婉明. 车辆-轨道耦合动力学（第三版）[M]. 北京:
科学出版社, 2007.
[9]   雷晓燕, 张斌, 刘庆杰. 列车-轨道系统竖向动力分析的车辆轨道单元模型[J]. 振动与冲击, 2010, 29(3): 168-173.
          LEI Xiao-yan, ZHANG Bin, LIU Qing-jie. Model of vehicle and track elements for vertical dynamic analysis of vehicle-track system[J]. Journal of Vibration and Shock, 2010, 29(3): 168-173.
[10]    李小珍. 高速铁路列车-桥梁系统耦合振动理论及应用
研究[D]. 成都 :西南交通大学, 2000.
[11]   曾庆元, 郭向荣. 列车桥梁时变系统振动分析理论及应
用[M]. 北京 :中国铁道出版社, 1999.
[12] GB5599-1985,铁道车辆动力学性能评定和试验鉴定规范[S].
[13] TB/T-2360-1993,铁道机车动力学性能试验鉴定方法及评定标准[S].