深埋长隧洞不良地质塌方段衬砌跟进开挖同时施工技术  

Simultaneous Construction Technology of Lining Follow-up Excavation in Unfavorable Geological Collapse Section of Deep-Buried Long Tunnel

作　　者：杨井国 张维欢 YANG Jingguo;ZHANG Weihuan(Sinohydro Bureau 11 Co.,Ltd.,Zhengzhou 450001,China)

机构地区：[1]中国水利水电第十一工程局有限公司,河南郑州450001

出　　处：《中国水能及电气化》2022年第12期15-19,共5页China Water Power & Electrification

摘　　要：为解决深埋长隧洞不良地质段施工过程中施工周期长、不良地质条件下开挖工作面裸露时间长易发生坍塌事故的问题,文章采取不良地质段隧洞衬砌跟进开挖同时施工的方法,及时对不良地质段采用混凝土衬砌支护措施,提高了施工效率,减少了安全隐患,保证了工程质量,可为类似隧洞工程施工提供参考。In order to solve the problem of collapse accident in the construction process of unfavorable geological section of deep-buried tunnel caused by long construction period and long exposed time of excavation working face under unfavorable geological conditions,in this paper,the technology of lining follow-up excavation in unfavorable geological section is adopted to timely adopt concrete lining support measures for unfavorable geological section,which improves the construction efficiency,reduces the hidden danger of safety,and ensures the quality of the project,which can provide reference for the construction of similar tunnel projects.

关 键 词：深埋长隧洞 不良地质段 跟进施工 

分 类 号：TV672[水利工程—水利水电工程]