摘要
影响斜坡稳定性的因素可分为地形地质环境因素、动力环境因素和人类工程经济活动因素等三大类１０余种因素，而不同成因类型斜坡，其空间分布、地表形态特征、松散堆积层岩性、结构以及与下伏基岩的接触界面等因素各具特征。本文在对不同成因类型斜坡的稳定性的影响因素进行敏感性定量分析的基础上，分别给出了稳定性的宏观定性的地质判据，并研究了抗剪强度参数的确定方法和稳定性的定量评价方法。
The more than 10 factors affecting gentle slope stability can be differentiated into three types (i.e.geology, environment, and human activity), but the geological factors are fundamental. There exist six genesis types of gentle slope with their own geological characteristics in the reservoir area of Three Gorge project. The sensibility of these factors to the stability of the gentle slope were evaluated in detail. On the basis of above study and the investigation in situ, the geological criteria for discriminating the gentle slope stability were given here, and the quantitative methods were applied to evaluating the stability, considering the reservoir impounding, rainfall and maninduced infiltration, and the shear strength of the sliding soil mass in situ. The case studies of some of the gentle slope sensitive to slope failure were also given in this paper.
出处
《中国地质灾害与防治学报》
CSCD
1997年第2期24-32,共9页
The Chinese Journal of Geological Hazard and Control
关键词
平缓斜坡
成因类型
稳定性
三峡工程
库区
gentle slope, genesis type, sensibility, stability, effective factors, evaluation method, reservoir area of Three Gorge project
