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隧道建设(中英文) ›› 2007, Vol. 27 ›› Issue (3): 79-83.DOI: B

• 施工技术 • 上一篇    下一篇

软岩大跨小间距双洞隧道洞口处理技术

黄新社, 曹正喜   

  1. 1. 中铁隧道集团杭州分公司2. 中铁隧道集团科研所
  • 收稿日期:2007-05-10 出版日期:2007-06-20 发布日期:2009-12-04
  • 作者简介:黄新社(1956-), 男,1981年毕业于郑州工学院水利水电工程建筑专业,高级工程师,现从事隧道与地下工程施工与管理工作。

Treatment Technology for Portal Section of Twintube Soft Ground
Tunnel with Largespan and Smallspacing

 HUANG Xin-She, CAO Zheng-Chi   

  1. 1. Hangzhou Branch of China Railway Tunnel Group Co., Ltd2. Scientific Research Institute of China Railway Tunnel Group Co., Ltd.
  • Received:2007-05-10 Online:2007-06-20 Published:2009-12-04

摘要:

沈应线隧道工程位于较为繁华的舟山沈家门城区,长1230m,其南北出入口地质很差,多为全-强风化岩层的黏性土夹砾石,围岩稳定性差,介绍了对该工程的洞口段所进行的小导管、大管棚预支护与注浆加固处理技术。

关键词:  , 大跨小间距双洞隧道软弱围岩洞口大管棚

Abstract:

Shenyingxian tunnel, which is located in Shenjiamen urban area in Zhoushan city, is 1230m long. The north and south portal sections of Shenyingxian tunnel are located in fullyweathered to heavilyweathered cohesive soil ground containing gravels. The treatment of the portal sections of Shenyingxian tunnel, including small duct reinforcement, umbrella arch reinforcement and grouting reinforcement, is presented in the paper.

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