城市轨道交通正线间单渡线设置曲线的最小线间距研究

张文正; 张志亚; 尹华拓; 史龙龙

doi:10.3973/j.issn.1672-741X.2014.04.005

隧道建设 >

2014 , Vol. 34 >Issue 4: 318 - 323

DOI: https://doi.org/10.3973/j.issn.1672-741X.2014.04.005

研究与探索

城市轨道交通正线间单渡线设置曲线的最小线间距研究

张文正 ,
张志亚 ,
尹华拓 ,
史龙龙

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（1.广州地铁设计研究院有限公司, 广东广州 510010;2.中铁第五勘察设计院集团有限公司, 北京 102600）

张文正（1988—），男，湖北汉川人，2012年毕业于北京交通大学,道路与铁道工程专业，硕士，助理工程师，主要从事地铁线路设计工作。

收稿日期: 2013-12-30

修回日期: 2014-02-10

网络出版日期: 2014-04-25

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Study on Minimum Distance between Centers of Tracks of Main Lines of  Urban Rail Transit Works When Single Crossover is Set into Curve

ZHANG Wenzheng ,
ZHANG Zhiya ,
YIN Huatuo ,
SHI Longlong

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(1. Guangzhou Metro Design & Research Institute Co., Ltd., Guangzhou 510010, Guangdong, China;  2. China Railway Fifth Survey and Design Institute Group Co., Ltd., Beijing 102600, China)

Received date: 2013-12-30

Revised date: 2014-02-10

Online published: 2014-04-25

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摘要

在城市轨道交通工程中，单渡线的设置用于临时折返列车，增加列车运营时的灵活性，实现列车的转线运行。单渡线一般靠近车站端部设置，当设置成曲线时，有利于减少车站开挖长度，降低施工造价，节约成本。根据GB 50157—2003《地铁设计规范》的定义，基于车辆、道岔等相关技术参数的条件，对城市轨道交通单渡线设置成曲线的最小线间距进行研究，得出4种不同组合情况下的最小线间距，为国内城市轨道交通单渡线的设置起到一定的指导和借鉴作用。

关键词： 城市轨道交通; 单渡线; 道岔; 最小线间距; 有效站台; 平面布置

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张文正 , 张志亚 , 尹华拓 , 史龙龙 . 城市轨道交通正线间单渡线设置曲线的最小线间距研究[J]. 隧道建设, 2014 , 34(4) : 318 -323 . DOI: 10.3973/j.issn.1672-741X.2014.04.005

Abstract

Single crossover is set for trains to turn back temporarily in order that the trains can transfer from one track to the other and the operation flexibility of the urban rail transit works can be improved. Single crossover is usually set at the end of the platform. When single crossover is set into curve, the excavation length of the urban rail transit station can be reduced and thus the construction cost of the station can be lowered. In this paper, the minimum distance between the centers of the tracks when single crossover is set into curve is studied on basis of GB 501572003 Code for Design of Metro and the technical parameters of vehicles and switches. In the end, the minimum distance between the centers of tracks under 4 cases with different combinations of vehicles and switches are obtained. The paper can provide guidance and reference for the setting of single crossover of urban rail transit projects in China in the future.

Key words： urban rail transit; single crossover; switch; minimum distance between centers of tracks; effective platform; plane arrangement

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