狮子山隧洞穿越P_(2)β^(3)地层向斜构造突水突泥灾害源探测及致灾机理分析  

Source Detection of Water-mud Inrush of Shizishan Tunnel Through P_(2)β^(3) Stratigraphic Syncline Structure and Disaster-causing Mechanism Analysis

作　　者：郝俊锁[1] 刘俊峰 邱志洪 王国我 HAO Junsuo;LIU Junfeng;QIU Zhihong;WANG Guowo(The Second Engineering Co.,Ltd.of China Railway 18th Bureau Group Co.,Ltd.,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18期78-84,共7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：狮子山隧洞穿越P_(2)β^(3)致密玄武岩地层突水突泥灾害源赋存与形成机制不明,具有极强的隐蔽性、复杂性、突发性和破坏性。为探明狮子山隧洞灾害源,分析其致灾机理,现场通过查阅地质资料、揭示洞内外地质等,在综合地质分析的基础上,分阶段、多方法、多设备地选用TGP,TRT7000,AGI-T3等地震波法进行远距离探测,多技术手段解译探测成果,并通过多方位钻孔探测验证,查明灾害源赋存特征,进一步从区域地质构造和灾害源赋存特征分析玄武岩地层突水突泥致灾构造形成机理。Shizishan Tunnel passes through P_(2)β^(3) tight basalt stratum. The occurrence and formation mechanism of the water and mud hazards are unknown, and it has strong concealment, complexity, suddenness and destructiveness. In order to find out the source of Shizishan Tunnel disaster and analyze its disaster-causing mechanism, on the basis of comprehensive geological analysis, by consulting geological data and revealing the geology inside and outside the cave, seismic wave methods such as TGP, TRT7000 and AGI-T3 are selected for long-distance detection in stages, multiple methods, and multiple equipment. Multiple technical means interpret the detection results and verify the occurrence of disaster sources through multi-directional borehole detection verification. Furthermore, this paper analyzes the formation mechanism of water-mud inrush disaster-causing structures in basalt stratum from the characteristics of regional geological structures and disaster sources.

关 键 词：隧洞工程 引水隧洞 致灾机理 现场试验 突水突泥 向斜 玄武岩地层 

分 类 号：TV554[水利工程—水利水电工程]