软岩大跨小间距双洞隧道洞口处理技术

黄新社; 曹正喜

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隧道建设 >

2007 , Vol. 27 >Issue 3: 79 - 83

DOI: https://doi.org/B

施工技术

软岩大跨小间距双洞隧道洞口处理技术

黄新社 ,
曹正喜

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1. 中铁隧道集团杭州分公司2. 中铁隧道集团科研所

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。

收稿日期: 2007-05-10

网络出版日期: 2009-12-04

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

HUANG Xin-She ,
CAO Zheng-Chi

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1. Hangzhou Branch of China Railway Tunnel Group Co., Ltd2. Scientific Research Institute of China Railway Tunnel Group Co., Ltd.

Received date: 2007-05-10

Online published: 2009-12-04

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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

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黄新社 , 曹正喜 . 软岩大跨小间距双洞隧道洞口处理技术[J]. 隧道建设, 2007 , 27(3) : 79 -83 . DOI: B

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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