拉法山隧道斜切式洞门施工技术

doi:10.3973/j.issn.1672-741X.2013.08.013

隧道建设（中英文） ›› 2013, Vol. 33 ›› Issue (8): 696-699.DOI: 10.3973/j.issn.1672-741X.2013.08.013

拉法山隧道斜切式洞门施工技术

胡永强, 豆小天

（中铁隧道集团二处有限公司，河北三河 065201）

收稿日期:2013-03-19 修回日期:2013-05-02 出版日期:2013-08-20 发布日期:2013-08-23
作者简介:胡永强（1986—），男，河北邢台人，2009年毕业于石家庄铁道学院无机非金属材料工程专业，本科，助理工程师，主要从事隧道工程施工技术工作。

Construction Technology for Bambootruncated Portal of Lafashan Tunnel

HU Yongqiang, DOU Xiaotian

(The 2nd Engineering Co., Ltd. of China Railway Tunnel Group, Sanhe 065201, Hebei, China)

Received:2013-03-19 Revised:2013-05-02 Online:2013-08-20 Published:2013-08-23

摘要/Abstract

摘要：

为解决利用现有模板台车一次性将洞门斜切段浇筑成型的问题，以拉法山隧道等环宽斜切式洞门施工为例，分别从经济性和实用性等方面对以往类似隧道洞门施工方法进行综合对比分析，采用在台车端头自制加长段模板的方法，并通过对模板放样、模板加工与安装等环节加以改进和控制，以达到快速施工和整体浇筑的目的。

关键词: 拉法山隧道, 斜切式洞门, 模板台车

Abstract:

Comparison and contrast is made among different tunnel portal construction technologies in terms of economical efficiency and practicability, so as to select proper construction technologies for the bambootruncated portals of Lafashan tunnel. In the end, technologies, including preparing formworks for the extended section of the tunnel portal, settingout of the formworks, fabrication of the formworks and installation of the formworks, are adopted for the tunnel. In this way, integral portal is cast rapidly by means of the existing formwork jumbo. 

Key words: Lafashan tunnel, bamboo truncated portal, formwork jumbo

胡永强, 豆小天. 拉法山隧道斜切式洞门施工技术[J]. 隧道建设, 2013, 33(8): 696-699.

HU Yongqiang, DOU Xiaotian. Construction Technology for Bambootruncated Portal of Lafashan Tunnel[J]. Tunnel Construction, 2013, 33(8): 696-699.

拉法山隧道斜切式洞门施工技术

Construction Technology for Bambootruncated Portal of Lafashan Tunnel

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