土工基础

土工基础 ›› 2021, Vol. 35 ›› Issue (2): 124-129.

• 工程实录 • 上一篇    下一篇

平田隧道穿越F2断层涌水塌方处治方案研究

高抗   

  1. （中交第二公路勘察设计研究院有限公司，武汉 430056）
  • 收稿日期:2020-09-14 修回日期:2020-09-18 出版日期:2021-04-23 发布日期:2021-04-23
  • 作者简介:高 抗（1988-），男，硕士，工程师，研究方向为隧道与地下工程。
  • 基金资助:
    中国交通建设股份有限公司2017年度特大科技研发项目（KJFZ-2017-073）

Remediation of Collapse Induced by Groundwater Gushing in Pingtian Tunnel Excavation Crossing an F2 Fault Zone

GAO Kang   

  1. （CCCC Second Highway Consultants Co. Ltd., Wuhan 430056）
  • Received:2020-09-14 Revised:2020-09-18 Online:2021-04-23 Published:2021-04-23

摘要： 针对广西大浦高速公路平田隧道穿越F2断层破碎带发生的涌水塌方事故，深入调查了事故发生的过程，并对涌水塌方机制进行了分析。在此基础上，提出了涌水塌方综合处治方案，通过方案的有效实施，掌子面涌水量及支护结构的变形量均得到有效控制。研究成果可供类似的隧道工程借鉴与参考。

关键词: 隧道工程, 断层破碎带, 涌水, 塌方, 处治措施

Abstract: The remediation of the highway tunnel excavation collapse induced by the groundwater gushing in the Pingtian Tunnel crossing an F2 faulted fracture zone in the Dapu Expressway project is introduced in this paper. Factors that caused the accident were evaluated and investigated in depth. The remediation plan was proposed based on the thorough investigations and was effectively implemented in the construction. Both the inflow of the groundwater into the excavated area and the deformations of the supporting structures were under the control. 

Key words: tunnel excavations, faulted fracture zone, groundwater gushing, tunnel collapse, remediation plan

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