高密度电阻率法在边坡全风化层划分中的应用与研究

打开文本图片集

Abstract：Higsitysisiitydithidatageofediiencynditives，sield vironmentalgeologicalsurveys，waterconservancyengineringinvestigations，andhydrogeologicalexplorations.Toexploethe applicationefectsofhigh-densityresistivitymethodingeologicaldisasterinvestigationsinthemountainousareasofsoutheast China'soastalregions，thisstudyselectedthemountanousslopesofAojiangTowninPingyangcountywhichisdominated bylowhillsandrollingterrain，asthersearchsubject.Theareahassignficantchangesinsurfaceslope，especiallinthelocal graniteregions where slopes canreach 25to45degrees.Thefulyweatheredlayer has developedfractures，leading toahigh riskof geologicaldisasters.Thestudyappliedthehigh-densityresistivitymethodtoconductadetailedinvestigationintothe distributioncharacteristicsofslopeswithlandsliderisks infourvilagesofAojiang town.Theresultsindicate thatthroughthe analysisofresistivityanomaliesandcros-sectionalcharacteristicsoftheslopeareas，thebasiccharacteristicsofthe fully weatheredlayerof theslopescanbeintuitivelyinferred，thelocationand depthof thefullyweatheredlayercanbeclearly depicted，andtherangeofabnormalareasof theslopescanbedetermined.Thisprovidessolid geophysicalsupportforthe assessment and management of geological disasters.

KeyWords： high-densityresistivitymethod; landslide; geological disaster assessment;fullyweathered layer

滑坡是指斜坡上的土体或者岩体，受河流冲刷、地下水活动、雨水浸泡、地震及人工切坡等因素影响，在重力作用下，沿着一定的软弱面或者软弱带，整体或者分散地顺坡向下滑动的自然现象。（剩余6342字）