狮子山隧洞地质问题与施工技术  

Geological Problems and Construction Techniques of Shizishan Tunnel

作　　者：刘俊峰 郝俊锁[1] 李勇[1] 张曾照 LIU Junfeng;HAO Junsuo;LI Yong;ZHANG Zengzhao(The Second Engineering Co.,Ltd.of China Railway 18th Bureau Group,Tangshan,Hebei 064000,China;Key Laboratory of Traffic Tunnel Engineering,Ministry of Education,Southwest Jiaotong University,Chengdu,Sichuan 610031,China)

机构地区：[1]中铁十八局集团第二工程有限公司,河北唐山064000 [2]西南交通大学交通隧道工程教育部重点实验室,四川成都610031

出　　处：《施工技术（中英文）》2022年第11期121-126,共6页Construction Technology

基　　金：教育部创新团队发展计划项目(IRT0955);中央高校基本科研业务专项资金资助项目(SWJTU11ZT33)。

摘　　要：狮子山隧洞地质条件极端复杂,活动断裂、软岩大变形、岩爆、突水突泥、有毒有害气体及高外水压等风险叠加,重大突发地质问题对工程施工组织、进度、安全、质量、投资产生重大影响。首先分析工程地质条件,对隧洞地质问题进行梳理识别,深入分析灾害特点及工程建设影响,提出针对性工程措施,在施工过程中预防和减少地质灾害事故发生。The geological conditions of Shizishan tunnel are extremely complex.The risks of active faults,large deformation of soft rock,rock burst,water and mud inrush,toxic and harmful gases and high external water pressure are superimposed.Other major geological emergencies also have a significant impact on the construction organization,progress,safety,quality and investment.This paper analyzes the engineering geological conditions and sorts out the geological problems of tunnels.What’s more,it explores the characteristics of disasters and their influence on engineering construction in depth.Finally,the targeted engineering measures are put forward to prevent and reduce the occurrence of geological disasters in the construction process.

关 键 词：引水隧洞 水压 有毒气体 分析 地质灾害 防控措施 

分 类 号：U456.3[建筑科学—桥梁与隧道工程]