高密度电阻率法在采空区注浆加固检测中的应用  

Application of high-density resistivity method in grouting reinforcement detection of goaf

作　　者：黄文龙 王海峰 李宁 邢小杰 李少波 HUANG Wenlong;WANG Haifeng;Li Ning;XING Xiaojie;Li Shaobo(Land and Resources Exploration Center of Hebei Bureau of Geology and Mineral Resources Breau,Shijiazhuang 050081,China;CMGB BU-1,Xuanhua 075100,China)

机构地区：[1]河北省地质矿产勘查开发局国土资源勘查中心(河北省矿山和地质灾害应急救援中心),河北石家庄050081 [2]中国冶金地质总局第一地质勘查院,河北宣化075100

出　　处：《陕西建筑》2023年第10期11-17,共7页Shaanxi Architecture

摘　　要：高密度电阻率法[1]是基于直流电阻率法的基本原理,利用微机程制技术,集电剖面法和电测深法于一体,一次性列阵方式布极(二维),利用多道或分布式形式与多路转换器相连接,在多路转换器的程序控制下,通过测量主机可实现各类装置、不同排列极距的视电阻率值观测,从而实现在剖面上一次性布极获取多种装置类型[2]的地电断面分布信息,是目前技术最高,信息量最大,探测精度最高的工程地球物理探测方法。本文论述了高密度电阻率法在采空区注浆加固检测中的测线布置,电极排列,数据处理、图像解释等技术方法,通过实地波速测试、钻孔验证,证明了高密度电阻率法探测结果准确,为采空区加固检测提供了可信的基础数据。The high-density resistivity method is based on the basic principle of the direct current resistivity method.It utilizes microcomputer programming technology,integrates electrical profiling and electrical sounding methods,and arranges electrodes in a one-time array(two-dimensional).It is connected to a multiplexer in a multi-channel or distributed form.Under the program control of the multiplexer,the observation of apparent resistivity values of various devices and different pole distances can be achieved through the measurement host,Thus,it is the engineering geophysical exploration method with the highest technology,information content,and detection accuracy to obtain the distribution information of various device types of geoelectric cross-sections through one-time pole placement on the profile.This article discusses the measurement line layout,electrode arrangement,data processing,image interpretation,and other technical methods of high-density resistivity method in grouting reinforcement detection in goaf.Through on-site wave velocity testing and drilling verification,it has been proven that the high-density resistivity method has accurate detection results,providing reliable basic data for reinforcement detection in goaf..

关 键 词：高密度电阻率法 采空区注浆加固检测 波速测试 钻孔验证 

分 类 号：P3[天文地球—地球物理学]