市域铁路利用既有地铁隧道的接触网通过方案研究  

Catenary Passing Scheme for City Railways Utilizing Existing Metro Tunnels

作　　者：苑方丞[1] YUAN Fangcheng(China Railway Shanghai Design Institute Group Co.,Ltd.,200070,Shanghai,China)

机构地区：[1]中铁上海设计院集团有限公司,上海200070

出　　处：《城市轨道交通研究》2023年第S02期116-120,共5页Urban Mass Transit

摘　　要：上海市域铁路嘉闵线规划设计时,利用了上海轨道交通13号线金运路站地下三层已预留的换乘节点隧道进行线路通过。该隧道结构样式为地铁用矩形隧道,隧道断面满足地铁车辆运营净宽与净空的要求;但对于新建的市域铁路,线路利用该既有隧道通过时,隧道断面无法满足一般链型悬挂接触网的通过需求。为解决该问题,通过控制轨道结构高度,调整接触网悬挂方案,使用弹性底座安装等3种改进方案来解决该特殊工点处的接触网通过问题。In the planning and design of Shanghai City Railway Jiading–Minhang Line,the preserved interchange node tunnel on underground 3rd floor at Jinyun Road Station of Shanghai Rail Transit Line 13 is utilized for line passing.The tunnel structure,originally designed for metro,is rectangular in shape and meets the operational width and clearance requirements for metro vehicles.However,when the new city railway utilizes this existing tunnel,the tunnel profile cannot accommodate the passing requirements of common chain-type suspension catenary.To address this challenge,three improvement schemes are proposed to facilitate the catenary passing problem through this unique node,which include controlling the track structure height,adjusting the catenary suspension arrangement,and utilizing elastic mounting seat.

关 键 词：市域铁路 地铁隧道 车辆限界 接触网 

分 类 号：U239.5[交通运输工程—道路与铁道工程]