软弱岩层隧道掘进多种异常情况的综合处理措施  

Comprehensive Treatment Measures for Various Abnormal Scenarios Occurred During Excavation of Soft Stratum Tunnel

作　　者：张朋岗 王俊贤 鲁金贵 刘铁 ZHANG Penggang;WANG Junxian;LU Jingui;LIU Tie(Sinohydro Bureau 5 Co.,LTD,Chengdu,Sichuan,610066)

机构地区：[1]中国水利水电第五工程局有限公司,四川成都610066

出　　处：《四川水力发电》2022年第3期93-98,共6页Sichuan Hydropower

摘　　要：通过对软弱岩层隧道施工中出现的掌子面涌水、塌方、初期支护变形开裂等具体情况的处理,提出了综合处理措施理念,重点介绍了综合处理的程序和各项措施的施工要点,验证了快速稳固效果,所取得的经验可供类似工程参考。Based on the treatment of water gushing and collapse at the excavation face,deformation and cracking of initial support in soft stratum tunnel construction,the concept of comprehensive treatment measures is put forward in this paper,and the comprehensive treatment procedures and key construction points of various measures are introduced and verified to be efficient and stable.Experience accumulated in this paper can be used as reference for similar projects.

关 键 词：软弱岩层隧道 涌水 塌方 变形开裂 快速稳固 综合处理 牡玖隧道 

分 类 号：U455[建筑科学—桥梁与隧道工程] U455.4[交通运输工程—道路与铁道工程] U455.2