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范家坪铁路隧道洞内燕尾段反向施工技术
引用本文:肖艳霞. 范家坪铁路隧道洞内燕尾段反向施工技术[J]. 隧道建设, 2010, 30(2): 195-198
作者姓名:肖艳霞
作者单位:中铁十八局集团有限公司兰渝铁路工程指挥部, 甘肃 武都746000
摘    要:
以新建兰渝铁路(兰州-广元)范家坪隧道标准双线隧道过渡到两分离式隧道燕尾段施工为例,从施工安全、施工质量、施工效益、施工工期4个方面对施工方案进行比选,重点介绍燕尾段由单线端挑顶反向施工技术,主副门架可变组合式液压台车台架配合小模板进行大跨段二次衬砌施工技术。整合施工资源,创造工作面,以缩短工期,确保安全、质量和效益。

关 键 词:铁路隧道  燕尾段  挑顶  衬砌  
收稿时间:2010-01-04
修稿时间:2010-03-17

Construction Technology for Swallow-tail-shaped Section inside Fanjiaping Railway Tunnel
XIAO Yanxia. Construction Technology for Swallow-tail-shaped Section inside Fanjiaping Railway Tunnel[J]. Tunnel Construction, 2010, 30(2): 195-198
Authors:XIAO Yanxia
Affiliation:Lanzhou Chongqing Railway Project Headquarters of China Railway 18th
Bureau Group Co., Ltd., Wudu 746000, Gansu, China
Abstract:
Technology of roof ripping from the single-track section and technology of lining construction for the large-spanned section are presented in the paper,with the construction of the swallow-tail-shaped section of Fanjiaping tunnel on Lanzhou-Chongqing railway as an example.In the end,satisfactory results are achieved.The paper can be served as reference for similar projects in the future.
Keywords:railway tunnel  swallow-tail-shaped section  roof ripping  lining construction  
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