降雨对边坡稳定性的影响分析

Analysis of factors affecting slope stability

本文以遵义市内某高速公路收费站附近边坡作为项目背景,通过专家调查法进行各风险因素权重打分,得出项目的安全等级,进而利用GeoStudio软件对影响边坡安全的降雨因素进行分析研究。通过分析研究得到:边坡的安全系数随着降雨强度的增加而减小;同等降雨强度条件下安全系数随着降雨时间的增加而减小;在同等降雨量的情况下,降雨持续时间的影响程度小于降雨的强度。

This article takes the slope near a toll station on a highway in Zunyi City as the project background,and uses the expert survey method to score the weight of each risk factor to obtain the safety level of the project.Then it uses GeoStudio software to analyze and study the rainfall factors that affect the slope safety.The analysis results show that the safety factor of the slope decreases with the increase of rainfall intensity;the safety factor decreases with the increase of rainfall time under the same rainfall intensity;and the effect of rainfall duration under the same rainfall To a lesser extent than rainfall.