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山西省襄汾县滑坡成因分析

Analysis on Formation Mechanism of Landslide in Xiangfen of Shanxi Province
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摘要 以山西省襄汾县为研究对象,分析了研究区的气象、水文、地形地貌、人类工程活动、地质构造及地震情况.结果表明采矿形成的山体滑坡主要是由采空区塌陷变形引发地表山体表层松散岩土体向下滑动形成;自然形成的滑坡主要是由于山区沟谷发育,坡体前缘有临空面,具易软化的土岩接合层,土体节理裂隙发育以及集中的降雨条件和人类活动综合原因形成. Taking Xiangfen city in Shanxi Province as the research object,this paper analyzes the meteorol-ogy,hydrology,landform,human engineering activities,geological structure and earthquake conditions in the study area.The results show that the landslide caused by mining is mainly caused by the deformation of the mined out subsidence area,which leads to the downward sliding of the superficial rock-soil body.Natural landslides are caused by many factors.In addition to the development of gullies and joints in mountainous areas,the softened soil-rock joint layer,concentrated rainfall and human activities are also important factors.
作者 张冬华 姜焱光 ZHANG Donghua;JIANG Yanguang(School of Geographical Sciences,Shanxi Normal University,Taiyuan 030031,Shanxi,China;Modern College of Humanities and Sciences,Shanxi Normal University,Linfen 041000,Shanxi,China;213 Geological Team,Bureau of Geology Exploration in Shanxi Province,Linfen 041000,Shanxi,China)
出处 《山西师范大学学报(自然科学版)》 2024年第2期85-89,共5页 Journal of Shanxi Normal University(Natural Science Edition)
基金 山西师范大学现代文理学院基础研究项目(2020JCYJ30).
关键词 襄汾县 滑坡 成因分析 Xiangfen landslide causation
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