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隧道建设(中英文) ›› 2012, Vol. 32 ›› Issue (1): 107-110.DOI: 10.3973/j.issn.1672-741X.2012.01.019

• 施工技术 • 上一篇    下一篇

寒区隧道拱墙铺设防水保温层施工方法

李占奎   

  1. (中铁隧道集团二处有限公司, 河北 三河 065201)
  • 收稿日期:2011-11-07 修回日期:2011-11-30 出版日期:2012-02-20 发布日期:2012-03-09
  • 作者简介:李占奎(1985—),男,河北唐山人,2009年毕业于石家庄铁道学院土木工程专业,本科,助理工程师,现从事隧道施工技术工作。

Laying Methods for Waterproofing and Thermal Insulation Layers: Case Study on Tunnels in Cold Regions

LI Zhankui   

  1. (The 2nd Engineering Co., Ltd. of China Railway Tunnel Group, Sanhe 065201, Hebei, China)
  • Received:2011-11-07 Revised:2011-11-30 Online:2012-02-20 Published:2012-03-09

摘要: 拉法山隧道工程采用拱墙铺设双层防水板中间加保温板的防水保温设计方法,为解决如何采用无钉法依次铺设“防水层+保温层+防水层”的问题,在施工现场先后试验了胶结法、吊绳吊挂法、环向钢筋固定法和防水板连接带环向张拉连接法4种铺设方法。在可行性和实用性等方面对这4种方法进行综合分析比较后,总结出防水板连接带环向张拉连接法最经济、环保,并且符合设计要求和便于现场操作。

关键词: 寒区, 隧道, 防水板, 保温板 

Abstract: The sandwich structure of double layers of waterproofing membranes, with one layer of thermal insulation board in between, is designed for Lafashan tunnel. 4 methods to lay the sandwich structure, including adhesion method, hanging method, circumferential rebar fixing method and connection strip tensioning method, are tried in the site. Comparison and contrast are made on these four methods. It is concluded that the connection strip tensioning method is the best method in terms of economy, environment protection, feasibility and practicability.

Key words: cold region, tunnel, waterproofing membrane, thermal insulation layer