基于WDJD-3多功能数字直流激电仪的高密度电法在不明洞室勘察中的应用研究  

Application of high density electrical method in investigation of unknown cave based on WDJD-3 multipurpose digital electric meter

作　　者：胡鸣明 HU Mingming(Xinjiang Railway Survey and Design Institute Co.,Ltd,Urumqi 830011,China)

机构地区：[1]新疆铁道勘察设计院有限公司

出　　处：《自动化与仪器仪表》2019年第6期166-167,171,共3页Automation & Instrumentation

摘　　要：乌鲁木齐轨道交通1号线植迎区间隧道开挖过程中掌子面拱部发现一处不明洞室,严重影响隧道施工;为查清不明洞室分布及特点,采用高密度电法、钻探、挖探及现场调查相结合的综合方法,通过高密度电法查明了不明洞室平面位置、埋深及洞室形态,通过钻探方法进行平面及深度验证,通过开挖探井进入洞室进行形态、深度进行实测和验证,经验证高密度电法成果揭示较为准确,为洞室的处理提供了依据。An unknown cave was found in the arch of the palm face during the tunnel excavation of the“zhi-ying”section of urumqi rail transit line 1,and which seriously affects tunnel construction.In order to find out the distribution and characteristics of unknown caves,and a comprehensive method combining high-density electrical method,drilling,excavation and field investigation is adopted,the plane position,depth and shape of the unknown chamber were found out by high density electrical method,and carry out plane and depth verification through drilling method,the shape and depth of the hole were measured and verified by digging the exploratory well into the hole chamber,as well as the depth is measured and verified,and the results of high-density electrical method are proved to be accurate,and which provides the basis for the treatment of the cavity.

关 键 词：不明洞室 高密度电法 城市轨道交通 综合勘察 

分 类 号：TH76[机械工程—仪器科学与技术]