三车道大断面公路隧道软弱围岩施工技术

doi:B

隧道建设（中英文） ›› 2009, Vol. 29 ›› Issue (增刊2): 67-73.DOI: B

三车道大断面公路隧道软弱围岩施工技术

陈庆怀

中铁隧道集团二处有限公司| 河北燕郊065201

收稿日期:2009-06-29 修回日期:2009-08-25 出版日期:2009-09-30 发布日期:2010-01-04
作者简介:陈庆怀（1971—）|男|河北人,1994年毕业于上海铁道学院铁道工程专业|本科|高级工程师|现从事隧道及地下工程施工技术管理工作。

Construction Technology for ThreeLane Highway Tunnels with
Large CrossSections Located in Soft Ground

CHEN Qinghuai

The 2nd Engineering Co., Ltd. of China Railway Tunnel Group, Yanjiao 065201, Hebei, China

Received:2009-06-29 Revised:2009-08-25 Online:2009-09-30 Published:2010-01-04

摘要/Abstract

摘要：

重庆外环玉峰山隧道施工时遭遇了煤窑采空区、大溶洞、松散围岩堆积区、富水段，施工中采取了三台阶预留核心土、CRD工法、单侧壁导坑法和双侧壁导坑法实现了安全通过。结合玉峰山隧道的工程实际，介绍了隧道通过大溶洞充填区和松散围岩堆积区所采用的开挖方法和辅助施工方法，总结了一些三车道大断面公路隧道软弱围岩的施工技术，以期能对类似工程有一定的借鉴作用。

Abstract:

Coal mine goafs, large karst caves, loose debris ground and rich water are encountered during the construction of Yufengshan tunnel on Outer Ring Road of Chongqing. "Top heading and bench" method with preserved core soil, CRD method, single side drift method and double side drift method are used in the tunnel construction and safe construction is ensured. Taking the construction of Yufengshan tunnel as an example, the author presents the excavation method and assistant construction methods for tunneling through the filling area of large karst caves and loose debris ground and summarizes the construction technology for threelane highway tunnels with large crosssections located in soft ground, hoping to provide reference for similar projects in the future.

Key words: , threelane tunnel large crosssection soft ground construction technology

中图分类号:

U 455.4

陈庆怀. 三车道大断面公路隧道软弱围岩施工技术[J]. 隧道建设, 2009, 29(增刊2): 67-73.

CHEN Qinghuai. Construction Technology for ThreeLane Highway Tunnels with
Large CrossSections Located in Soft Ground[J]. Tunnel Construction, 2009, 29(增刊2): 67-73.

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三车道大断面公路隧道软弱围岩施工技术

Construction Technology for ThreeLane Highway Tunnels with
Large CrossSections Located in Soft Ground

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三车道大断面公路隧道软弱围岩施工技术

Construction Technology for ThreeLane Highway Tunnels with Large CrossSections Located in Soft Ground

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Construction Technology for ThreeLane Highway Tunnels with
Large CrossSections Located in Soft Ground