高密度电法在水文地质和工程地质中的应用

高密度电法具有测点密度高，信息量大，在寻找地下水，查明采空区，探测岩溶发育带和划分地层诸方面得到了应用。本文论述了其原理、技术方法及数据处理推断解释并通过两个工程实例，详细介绍了高密度电法在花岗岩地区寻找基岩裂隙水和在拟建水库区内划分Ｎ２红粘土缺失范围中的应用。最后对高密度电法的仪器设备和方法技术存在的问题提出了看法。

The high\|density electrical method, with the high density of measuring points and large amount of information, is widely used in the fields like groundwater searching, making clear of mined areas, exploration of karstic zone and classification of strata. This paper elucidate its principle, technical methods and the data processing, inference and interpretation and, through two practical cases, introduces in detail the application of high\|density electrical method in the searching of bedrock fissure water in granite area and the discrimination of the hiatal area of N 2 red clay. Finally, some views concerning the problems on the equipment and installation and techniques in high\|density electrical methods are put forward.