第50卷第5期2023年9月Vol.50No.5Sep.2023:67-72钻探工程DrillingEngineering江西省永新县地质灾害孕灾环境分析聂智强,崔杰,孔梁钰(江西省地质局第十地质大队,江西鹰潭335001)摘要:永新县位于江西省地质灾害高易发区内,地质灾害类型主要有滑坡、崩塌、泥石流、地面塌陷等。以区内地质环境条件为背景,通过对历年来已发生的370处地质灾害的综合研究,总结了永新县地质灾害的发育规律;对区内各类地质灾害进行孕灾环境分析,研究了与地质灾害发育相关的地形地貌、工程地质岩组等孕灾因子及其影响。结果表明:区内地质灾害孕灾环境受地形地貌、工程地质岩组、斜坡结构、地质构造、降雨和人类工程活动的共同控制和影响。充分考虑区内地质灾害孕灾环境,以工程地质岩组和地形地貌为主控因素,将永新县孕灾环境划分为3个大区和19个亚区,为地质灾害精细化调查风险评价提供技术支撑,为地质灾害精准防控提供科学依据。关键词:地质灾害;孕灾环境;孕灾分区;永新县中图分类号:P642.2文献标识码:A文章编号:2096-9686(2023)05-0067-06Analysisofgeologicaldisaster⁃breedingenvironmentinYongxinCounty,JiangxiProvinceNIEZhiqiang,CUIJie,KONGLiangyu(TheTenthGeologicalBrigadeofJiangxiGeologicalBureau,YingtanJiangxi335001,China)Abstract:YongxinCountyislocatedinthehighgeologicaldisasterproneareainJiangxiProvince.Thetypeofgeologicaldisastersaremainlyclassifiedintolandslide,collapse,debrisflow,groundcollapseandsoon.Basedonthegeologicalenvironmentconditionsinthearea,throughthecomprehensivestudyof370geologicaldisasterswhichoccurredovertheyears,thedevelopmentlawofgeologicaldisastersinYongxinCountyissummarized.Thevariousgeologicaldisaster‑breedingenvironmentwasanalyzed,andthedisaster‑breedingfactorssuchastopographyandengineeringgeologicalrockgroupsrelatedtothedevelopmentofgeologicaldisastersandtheireffectswerestudied.Theresultsshowthatthedisaster‑breedingenvironmentiscontrolledandinfluencedbythetopography,engineeringgeologicalrockgroup,slopestructure,geologicalstructure,rainfallandhumanengineeringactivities.Takingfullaccountofthedisaster‑breedingenvironmentinthearea,withtheengineeringgeologicalrockgroupandtopographyasthemaincontrolfac...