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隧道建设(中英文) ›› 2011, Vol. 31 ›› Issue (4): 504-509.

• 施工技术 • 上一篇    下一篇

白云隧道突水、突泥段施工技术

周军伟   

  1. 南广铁路有限责任公司, 南宁 530022
  • 收稿日期:2011-05-26 修回日期:2011-07-01 出版日期:2011-08-20 发布日期:2011-11-02
  • 作者简介:周军伟(1977—),男,陕西岐山人,1997年毕业于石家庄铁道学院工程管理专业,本科,工程师,从事技术领域工程管理工作。

Coping with Mud/water Bursting in Tunnel Construction:Case Study on Baiyun Tunnel

ZHOU Junwei   

  1. NanningGuangzhou Railway Co., Ltd., Nanning 530022, China
  • Received:2011-05-26 Revised:2011-07-01 Online:2011-08-20 Published:2011-11-02

摘要:

白云隧道地质情况极为复杂,同时穿越F1,F2及F3 3个断层。在开挖至D3K334+733时发生了突水、突泥,为了消除其给施工安全和施工进度带来的极大影响,通过迂回导坑对隧道突水、突泥地段进行横向注浆及设置横向管棚,并结合正洞内全断面帷幕预注浆和大管棚,对该段进行了注浆堵水和加固处理。实践证明,所采用方法合理有效,拱顶沉降控制在合理范围,最终安全地通过了隧道突水、突泥段。

关键词: 白云隧道, 断层, 突水突泥, 迂回导洞, 横向注浆, 横向管棚

Abstract:

Crossing F1 fault, F2 fault and F3 fault, Baiyun tunnel has extremely complex geological conditions. Mud/water bursting occurs when the tunnel excavation reaches D3K334+733, which has great impact on the construction safety and construction progress. Transverse grouting and transverse pipe roof for the mud/water bursting tunnel section are executed from inside the bypass gallery and fullface curtain grouting and large pipe roof are executed from inside the main tunnel. In such way, successful watersealing grouting and consolidation are made for the mud/water bursting tunnel section. In the end, the excavation crosses the mud/water bursting section safely.

Key words: Baiyun tunnel, fault, mud/water bursting, bypass gallery, transverse grouting, transverse pipe roof