衢宁铁路单线预留双线方案研究

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摘要 研究目的: 为满足客货运量运输需求并预留长远发展条件,部分线路近期修建为单线,预留双线建设条件,线路开通运营后择机适时增建Ⅱ线。单线预留双线铁路需统筹各区段近远期运输需求、Ⅰ线和Ⅱ线工程及实施条件,合理确定车站分布、Ⅱ线预留线位及近期同步实施工程。本文通过衢宁铁路线路方案研究,对单线预留双线铁路设计方法进行探讨。
研究结论: 单线预留双线铁路不仅需要设计好Ⅰ线,还需要预留好Ⅱ线条件。(1)应明确预留Ⅱ线同步实施工程范围,根据Ⅰ线的隧道、桥梁、车站等工程的难易程度,综合比选确定Ⅱ线的左右侧;(2)应尽量减少换侧的次数,并结合具体情况选择好换侧地点;(3)进行Ⅱ线工程预设计时应尽量减少预留Ⅱ线同步实施工程,确有必要时进行工程预留;(4)本研究可为类似单线预留双线铁路设计提供借鉴和参考。

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	秦国强

关键词 ：单线预留双线铁路, 线路方案, 同步实施工程

Abstract：Research purposes: In order to meet the demand of passenger and freight volume and reserve long-term development conditions, part of the railways will be built as single track in the near future, and double track construction conditions will be reserved. The second track will be built at the right time after the railway is put into operation. The single track reserved double track railway needs to coordinate the short-term and long-term transportation demand of each section, the project and implementation conditions of first track and second track, and reasonably determine the station distribution, reserved line position of second track and the recent simultaneous implementation of the project. Through the study of Quzhou-Ningde railway line scheme, this paper discusses the design method of single track reserved double track railway.
Research conclusions: Single track reserved double track railway not only needs to design the first track, but also needs to reserve the conditions of the second track. (1) It is necessary to define the scope of simultaneous implementation of the second track. According to the difficulty degree of tunnel, bridge and station engineering of the first track, the left and right sides of the second track are determined by comprehensive comparison. (2) We should try to reduce the times of side changing, and choose the place of side changing according to the specific situation. (3) During the pre design of reserved second track, it is necessary to minimize the simultaneous implementation of the second track and the project shall be reserved when necessary. (4) This study can provide reference for the design of similar single track reserved double track railway.

Key words： single track reserved double track railway line scheme simultaneous implementation of the project

收稿日期: 2021-12-08

PACS:

U237

作者简介: ^**秦国强,1980年出生,男,高级工程师。

引用本文:

秦国强. 衢宁铁路单线预留双线方案研究[J]. 铁道工程学报, 2022, 39(2): 19-23.
QIN Guoqiang. Research on the Scheme of Reserving Double Track for Single Track of Quzhou-Ningde Railway. Journal of Railway Engineering Society, 2022, 39(2): 19-23.

链接本文:

https://tdgcxb.crec.cn/CN/ 或 https://tdgcxb.crec.cn/CN/Y2022/V39/I2/19

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