高速铁路线路空间线形的动力学评价指标体系研究

王开云; 吕凯凯

doi:10.3969/j.issn.0258-2724.2016.02.002

高速铁路线路空间线形的动力学评价指标体系研究

doi: 10.3969/j.issn.0258-2724.2016.02.002

王开云,
吕凯凯,

基金项目:

国家973计划资助项目(2013CB036206)

中国铁路总公司科技研究开发计划资助项目(2014G010-H)

详细信息

作者简介:
王开云(1974-),博士,2000年起至今任职于西南交通大学,现为牵引动力国家重点实验室研究员,副主任,博士生导师,四川省学术技术带头人.E-mail:kywang@swjtu.edu.cn;吕凯凯(1990-),现为牵引动力国家重点实验室硕士研究生.E-mail:Lvkais@163.com

王开云(1974-),博士,2000年起至今任职于西南交通大学,现为牵引动力国家重点实验室研究员,副主任,博士生导师,四川省学术技术带头人.E-mail:kywang@swjtu.edu.cn;吕凯凯(1990-),现为牵引动力国家重点实验室硕士研究生.E-mail:Lvkais@163.com

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出版历程
- 收稿日期: 2015-11-02
- 刊出日期: 2016-04-25

Dynamic Evaluation Index System for Spatial Alignment of High-Speed Railway

摘要

摘要: 为了全面反映高速铁路线路空间线形作用下的轮轨动态相互作用特征,基于车辆-轨道耦合动力学理论,综合考虑车辆系统与轨道系统的动力响应,提出了高速铁路线路空间线形的动力学评价指标体系研究方法.针对高速铁路平纵断面参数,确定了变化敏感的动力学指标,并给出了具体的高速铁路空间线形评价指标.以高速铁路纵断面线形评价为例,详细介绍了该研究方法的应用与实施过程,在此基础上,给出了高速铁路纵断面的参数设计建议.研究结果表明:在时速为350 km高速铁路线路线形参数的设计过程中,竖曲线的设计原则是应尽可能采用较小的坡度及较大的竖曲线半径,且夹坡段长度不小于300 m.
- 高速铁路 /
- 线路线形 /
- 评价指标体系 /
- 平纵断面 /
- 夹坡段长度
Abstract: To study overall characteristics of the wheel-rail dynamic interaction in the spatial alignment of high-speed railways, a method for researching the dynamic evaluation index system for spatial alignment of high-speed railways was proposed based on vehicle-track coupled dynamics theory, in which dynamic responses of the vehicle system and track system were taken into consideration comprehensively. Using high-speed railway plane and profile parameters, sensitive dynamic indicators of track alignment were determined and the evaluation indexes of track alignment were established. Taking the evaluation for profile alignment of high-speed railway as an example, the application and implementation of the proposed method was introduced in detail, and some suggestions were further put forward for the parameter design of high-speed railway profile alignment. The result shows that, in the design process of railway alignment with a speed of 350 km/h, smaller slope and larger vertical curve radius should be adopted as the priority principle, and the length of intermediate grade section should be not less than 300 m.
- high-speed railway /
- track alignment /
- evaluation index system /
- plane and profile /
- length of intermediate grade section

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参考文献(14)

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文章访问数: 683
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高速铁路线路空间线形的动力学评价指标体系研究

doi: 10.3969/j.issn.0258-2724.2016.02.002

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出版历程

Dynamic Evaluation Index System for Spatial Alignment of High-Speed Railway

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