发展与创新1882023年第02期总第130期工程技术研究摘要：文章以广西玉林某地“6·9”特大暴雨引发的某坡面泥石流为例，通过地面调查查明其发育条件，分析该泥石流所处的气象、水文、地层岩性、工程地质条件、水文地质条件、地质构造、人类工程活动等地质环境条件，研究泥石流在降雨等各种因素下的形成机理，特别是花岗岩地区浅层坡面泥石流的形成机制，进而提出监测、疏通排堵、加强地灾宣传等防治措施建议。所得结论准确可靠，对于此类坡面泥石流的防治具有一定的指导意义。关键词：坡面泥石流；地层岩性；降雨Abstract:Thispapertakesaslopedebrisflowcausedby“6·9”torrentialraininYulin,Guangxiasanexample.Throughgroundinvestigation,thedevelopmentconditionsoftheslopedebrisflowarefoundout,andthemeteorological,hydrological,stratigraphiclithology,engineeringgeologicalconditions,hydrogeologicalconditions,geologicalstructure,humanengineeringactivitiesandothergeologicalenvironmentconditionsoftheslopedebrisflowareanalyzed.Theformationmechanismofdebrisflowundervariousfactorssuchasrainfall,especiallytheformationmechanismofshallowslopedebrisflowingranitearea,isstudied,andthenthepreventionandcontrolmeasuressuchasmonitoring,dredging,andstrengtheningthepublicityofgeologicaldisastersareputforward.Theconclusionisaccurateandreliable,whichhascertainguidingsignificanceforthepreventionandcontrolofsuchslopedebrisflow.KeyWords:slopedebrisflow;stratigraphiclithology;rainfall分类号：P642.23广西玉林某坡面泥石流发育条件及形成机理研究刘昶广西壮族自治区地质环境监测站，广西南宁530201ResearchontheDevelopmentConditionsandFormationMechanismofaSlopeDebrisFlowinYulin,GuangxiLIUChangGeologicalEnvironmentMonitoringStationofGuangxiZhuangAutonomousRegion,Nanning530201,Guangxi,China060.DOI:10.19537/j.cnki.2096-2789.2023.02.作者简介：刘昶，男，硕士，高级工程师，研究方向为地质灾害防治。1广西玉林某坡面泥石流概况广西玉林某坡面泥石流发育于居民后山，物源区长约42m、宽约30m、厚约2m，物源区上部（后缘）与倒塌房屋地面垂直距离为41m、斜距约93m，物源区下部与坡脚垂直距离为16m、斜距65m，初期流通方向为20°，流动到下部沟谷后，沿沟谷走向折向350°方向流动。整个流...
