煤矿冲刷带探测中的高密度电法勘探方法  

The high-density electrical prospecting method in the detection of coal wash zone

作　　者：宋劲[1,2] 

机构地区：[1]中南大学地球科学与信息物理学院,长沙410083 [2]中煤科工集团重庆研究院,重庆400039

出　　处：《河南理工大学学报（自然科学版）》2014年第4期441-446,共6页Journal of Henan Polytechnic University（Natural Science）

基　　金：国家自然科学基金重点资助项目(50534080)

摘　　要：在分析高密度电法勘探基本原理、特点、探测深度和工作方法的基础上,以三吉屯煤矿为例,介绍了运用该方法对矿区隐伏的煤层冲刷带分布进行探测定位和确定河流冲刷带的走向及范围的过程.结果表明,采用α2排列高密度电法勘探具有连续、高效、简便,对地电构造分辨率高的特点,能准确识别出地下隐伏的河流冲刷带的边界和分布范围,较好地解决煤矿对于冲刷带的探测问题.高密度电法勘探是一种高效直观的探测技术,能提供清晰的剖面记录图像,可为解决煤矿冲刷带的探测问题提供可靠的技术手段.Based on the analysis of basic principles,characteristics,detecting depth and working methods for high density electrical prospecting,this paper introduces the application method to detect concealed coal wash zone in the mining area and determine its direction and scope,taking Sanjitun coal mine as an example.The results show that the α2 arrangement with characteristics of continuous,high efficiency,simple and high resolution,can accurately identify the underground concealed boundary and distribution range of a coal wash zone,and can better solve the detection problem of a coal wash zone in coal mine.High density electrical prospecting is effective and intuitive detection technology,and it can provide clear profile record images,and a reliable method to solve the detection problem with a coal wash zone.

关 键 词：高密度电法 视电阻率 电极排列 冲刷带 

分 类 号：P631.3[天文地球—地质矿产勘探]