[1]张逸飞.既有350km／h铁路运行更高速铁路线路平面参数适应性分析[J].高速铁路技术,2024,(01):35-40.[doi:10.12098/j.issn.1674-8247.2024.01.007]
　ZHANG Yifei.Adaptability Analysis of Line Planar Parameters for Existing 350 km／h High-speed Railways Operating at Higher Speeds[J].HIGH SPEED RAILWAY TECHNOLOGY,2024,(01):35-40.[doi:10.12098/j.issn.1674-8247.2024.01.007]
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既有350km／h铁路运行更高速铁路线路平面参数适应性分析()
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《高速铁路技术》[ISSN:1674-8247/CN:51-1730/U]

卷:
期数:
2024年01期
页码:
35-40
栏目:
理论探索
出版日期:
2024-03-20

文章信息/Info

Title:
Adaptability Analysis of Line Planar Parameters for Existing 350 km／h High-speed Railways Operating at Higher Speeds
文章编号:
1674-8247（2024）01-0035-06
作者:
张逸飞
中铁第四勘察设计院集团有限公司，武汉430000
Author(s):
ZHANG Yifei
China Railway Siyuan Survey and Design Group Co. ，Ltd. ，Wuhan 430000 ，China
关键词:
高速铁路; 车线模型; 线路平面参数; 安全平稳性
Keywords:
high-speed railway; vehicle-track model; line planar parameters; safety and stability
分类号:
U212.3；U238
DOI:
10.12098/j.issn.1674-8247.2024.01.007
文献标志码:
A
摘要:
通过采用车线动力学分析方法，基于建立的动力学仿真模型，对某既有设计速度目标值为350km／h的铁路曲线段进行了400km／h运行的线路平面参数适应性研究。结果表明：（1）当列车速度提升至400km／h后，多项动力学指标较350km／h时增加较为明显，安全性与舒适性均有所下降；（2）尽管列车的安全性可以得到保障，但乘坐舒适度下降，存在一定的舒适度隐患，适应性有待进一步提高；（3）建议在可能的情况下，适当增大曲线半径与夹直线的长度，以保证旅客乘坐的安全性与舒适度。
Abstract:
Using vehicle-track dynamics analysis methods and based on a dynamic simulation model，this study investigated the adaptability of line planar parameters on an existing railway curve section designed for 350 km／h when operating at 400 km／h. The results show that：（1）When the train speed is increased to 400 km／h，various dynamic indicators of the train significantly increase compared to those at 350 km／h，resulting in reduced safety and comfort. （2）Although train safety can be ensured，ride comfort is compromised，posing a certain risk to comfort levels，and adaptability needs further improvement. （3）It is recommended that，where possible，the radius of curves and the length of intermediate straight line should be increased appropriately to ensure passenger safety and comfort.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2023-07-18
作者简介：张逸飞（1997-），男，助理工程师。
更新日期/Last Update: 2024-03-20