基于多因素的崩塌发育规律与成因分析--以某山区崩塌为例

Development Law and Cause Analysis of Collapsed Rock Mass Using Different Features:A Case Study of a Mountain Area in the Yunnan-Guizhou Plateau

崩塌具有极强的突发性,因此崩塌定量评价一直以来是地质灾害研究的难点。为研究崩塌发育规律,以云贵高原某山区崩塌为例,在选取5个崩塌影响独立因子和2个综合因子的基础上,本文开展了研究区崩塌发育规律和成因分析。结果表明:坡度、高差及岩石构造裂隙发育程度是影响研究区边坡崩塌最主要的因子,人类工程活动对崩塌的影响较小。该规律对类似地区崩塌地质灾害评价提供了参考与借鉴。

The southern mountainous areas are the most frequent areas of landslide geological disasters in China,and especially in recent years,extreme weather has further exacerbated the occurrence of landslides.In order to study the development law of landslides in southern China,a mountain area in the Yunnan-Guizhou Plateau is taken as an example.On the basis of selecting 5 independent factors and 2 comprehensive factors,the development law and causes of collapsed rock mass in the study area are analyzed.The results show that slope,height difference,and the degree of development of rock structural fractures are the main factors,and human engineering activities have a relatively small impact on collapsed rock mass.This law provides reference and guidance for the evaluation of collapsed rock mass in similar areas.