摘要
福州永泰三环公路巫洋隧道为长大埋深隧道,其勘察除利用了钻探方法,同时采用了高密度电法和EH4电磁成像系统等综合物探方法,划分了长大埋深隧道的地层界限、确定了断层破碎带的位置,为隧道围岩级别划分及工程地质条件评价提供了依据,也为长大埋深隧道提供了一种新的综合勘察方法。
In the third ring road of Fuzhou Yongtai city,Wuyang tunnel is the deeply-buried long expressway tunnel.Not only the drilling method was be used to survey the geological conditions,high-density electrical geophysical methods and EH4 electromagnetic imaging system were also being used to dividing deeply-buried long expressway tunnels strata boundaries and determining the location of the fault fracture.HDR and EH4 electromagnetic imaging system also could determine the surrounding rock of tunnel classification and provide the basis of engineering geological evaluation.HDR and EH4 electromagnetic imaging system provides a comprehensive survey of new methods of the deeply-buried long expressway tunnels.
出处
《工程建设与设计》
2015年第7期115-118,共4页
Construction & Design for Engineering
基金
国家自然科学基金项目(近地表三维复杂介质中瑞雷波传播特性研究)(41274123)
关键词
长大埋深隧道
工程勘察
高密度电法
EH4电磁成像
deeply-buried long tunnel
geotechnical investigation survey
high-density resistivity
EH4 electromagnetic image system
