山区铁路专用线接轨站前设置一列车长一度停车位的研究  

Setting Temporary Stopping Length of the Train Before the Junction of the Mountain District Special Railway Line

作　　者：奚文媛 郑玢 XI Wenyuan;ZHENG Bin(China Railway Engineering Consulting Group Co.,Ltd,Beijing 100055,China)

机构地区：[1]中铁工程设计咨询集团有限公司,北京100055

出　　处：《交通与运输》2021年第6期32-35,共4页Traffic & Transportation

摘　　要：山区铁路上的车站大多数位于高填深挖地段,车站路基边坡多采用骨架护坡、挡墙等方式处理,站内存在单线、双线或多线桥梁。大宗货物铁路专用线因为其运量较大,引入接轨站时,为了不影响接轨站及正线的正常作业,一般情况下需要在接轨站增加到发线。增加到发线工程将引起拆改已建的护坡、挡墙、增设桥梁等工程,不但工程量巨大,而且施工影响铁路正常运营,有一定安全隐患。为了解决这一问题,提出将接轨站前一段线路平、纵断面按到发线标准设计,这段线路就称为“一列车长一度停车位”。这种设计方案有效地解决了山区铁路既有站改造难及施工影响运营安全问题。Most of the stations on the mountain railways are located in the high-filled and deep-excavated sections.The subgrade slopes of the station are mostly dealt with framework slope protection and retaining walls,and there are single-line,double-line,or multi-bridge in the station.In order not to affect the normal work of the station,it is generally necessary to increase the numbers of receiving-departure track,demolish the built slope protection,retaining wall,and add bridges in the case of introducing mass freight special railway lines to junction station.This is obviously a huge engineering project,which will affect the actual operation and has a certain safety hazard.In order to solve this problem,a method is proposed that plan and profile of the line before the junction are designed according to the receiving-departure track design standards,which are defined as“Temporary Stopping length of the Train”.The problem of the difficulty in reconstructing the existing stations of the mountain railway and the operational safety influenced by the construction are effectively solved with this design scheme.

关 键 词：山区铁路 专用线 接轨站 一度停车 适用条件 

分 类 号：U491[交通运输工程—交通运输规划与管理]