武广客运专线白家塱2号大桥桥上岔区无砟轨道结构设计及施工技术  

Structure Design and Key Construction Technology for Ballastless Turnout on Bridge

作　　者：杨明辉[1] 汪盈盈[1] 熊维[1] 徐振龙 

机构地区：[1]中铁二院工程集团有限责任公司,成都610031 [2]中铁二十三局集团有限公司,成都610072

出　　处：《高速铁路技术》2010年第4期33-36,共4页High Speed Railway Technology

摘　　要：介绍了桥上岔区无砟轨道的设计方法。以武广客运专线清远站南咽喉区白家塱2号大桥桥上岔区无砟轨道为例,阐述了桥上岔区无砟轨道的道床板、钢筋混凝土底座、凸台和滑动层的结构设计,总结了桥上岔区无砟轨道施工的质量控制重点,并对完善桥上岔区无砟轨道的设计与施工提出5点建议,对客运专线桥上岔区无砟轨道的设计和施工有一定的参考指导意义。The paper presents a design method of ballastless turnout on bridge, and takes ballastless turnout on No. 2 major bridge in southern throat area of Wuhan-Guangzhou PDL Qingyuan station for example, describes the structure design of slab, concrete base convex platform and the slide sections in ballastless turnout, and introduces the key equipment and technologies of construction ballastless turnout on bridge, and five suggestions are put forward for improving the design and construction of ballastless turnout, which are expected to serve as a useful reference for the design and construction of other passenger dedicated line ballastless turnout.

关 键 词：武广客专 桥上道岔 无砟轨道 结构设计 施工技术 

分 类 号：U215.57[交通运输工程—道路与铁道工程]