科技创新导报ScienceandTechnologyInnovationHerald科技创新导报2022NO.30ScienceandTechnologyInnovationHerald科学研究创新湖南省新宁县斜坡地质灾害形成机理与成因模式刘中楠1高银梅2黄勇炜1姜河1颜智强1李策3(1.湖南省地球物理地球化学调查所湖南长沙410000;2.河南地矿职业学院河南郑州450000;3.南华大学湖南衡阳421000)摘要:斜坡地质灾害一直是地质灾害防治的重点与难点,斜坡在变形破坏后极易发生滑坡、崩塌等地质灾害,严重威胁人民生命和财产安全。斜坡在尚未形变之前,筛选出容易成灾的斜坡尤为重要。通过对新宁县开展1∶10000地质灾害调查工作,以人居斜坡为基本调查单元,查明全县域地质灾害发育特征,分析其主要致灾因素,总结典型控灾斜坡结构类型,研究斜坡地质灾害形成机理与成因模式。结果表明:新宁县斜坡地质灾害主要致灾因素为地形地貌、地层岩性及地质构造、降雨、人类工程活动4种;典型控灾斜坡结构类型有5种,孕灾最多的是土质顺切型及岩土混合型;形成机理与成因模式有4种,以均质或似均质斜坡蠕滑—拉裂式为最多,其他次之。关键词:地质灾害斜坡结构类型形成机理成因模式新宁县中图分类号:P694文献标识码:A文章编号:1674-098X(2022)10(c)-0021-07FormationMechanismandGeneticModelofSlopeGeologicalHazardsinXinningCounty,HunanProvinceLIUZhongnan1GAOYinmei2HUANGYongwei1JIANGHe1YANZhiqiang1LICe3(1.GeophysicalandGeochemicalSurveyInstituteofHunan,Changsha,HunanProvince,410000China;2.HenanGeologyMiningCollege,Zhengzhou,HenanProvince,450000China;3.UniversityofSouthChina,Hengyang,HunanProvince,421000China)Abstract:Slopegeologicaldisastershavealwaysbeenthekeyanddifficultpointofgeologicaldisasterpreventionandcontrol.Afterthedeformationanddestructionofslopes,geologicaldisasterssuchaslandslideandcollapseareeasytooccur,whichseriouslythreatenthesafetyofpeople'slivesandproperty.Beforetheslopedeformation,itisveryimportanttoselecttheslopepronetodisaster.Throughthe1∶10000geologicalhazardsurveyinXinningCounty,takingtheresidentialslopeasthebasicsurveyunit,thedevelopmentcharacteristicsofgeologicalhazardsinthewholecountyareidentified,themaindisastercausingfactorsareanalyzed,thestructuraltypesoftypicaldisastercontrolslopesaresummarized,andthef...