重载铁路换铺无缝线路施工及关键技术分析  

Construction and Key Technical Analysis of Replacement of Seamless Track on Heavy-Load Railway

作　　者：许萍萍 XU Ping-ping(th Engineering Company Ltd.of China Railway 22 Bureau Group,Tianjin 301700,China)

机构地区：[1]中铁二十二局集团第四工程有限公司,天津301700

出　　处：《工程建设与设计》2022年第9期182-185,共4页Construction & Design for Engineering

摘　　要：对无缝线路进行概述,介绍了朔黄铁路换铺无缝线路的施工技术,从长钢轨运输及卸车、单元轨焊接及锁定焊接施工、长钢轨换铺施工、无缝线路换铺法施工工艺的锁定技术、旧轨料回收、线路整修6个方面介绍了各环节实施的先后顺序和控制要点。This paper summarizes the seamless line and introduces the replacement construction technology of Shuohuang Railway seamless line, introduces the order and control points of the implementation of each link from six aspects: long rail transportation and unloading, single rail welding and locking welding construction, long rail replacement construction, locking technology of seamless line replacement construction process, old rail material recovery and line renovation.

关 键 词：重载铁路 无缝线路 轨道换铺 轨道施工 

分 类 号：U215.5[交通运输工程—道路与铁道工程]