不同降雨条件下边坡渗流及稳定性研究  

Study on Seepage and Stability of Slope under Different Rainfall Conditions

作　　者：马家宾 朱忠昊 张永朋 杜清岭 陈洁 

机构地区：[1]黄淮学院建筑工程学院,河南 驻马店

出　　处：《水资源研究》2025年第1期69-81,共13页Journal of Water Resources Research

基　　金：黄淮学院省级大学生创新创业训练计划项目(202310918013)。

摘　　要：降雨是导致边坡失稳的一项重要因素,为了分析降雨时长和降雨强度对边坡稳定性的影响,本文采用Abaqus有限元软件分析降雨时长和降雨强度对边坡孔隙水压力和边坡稳定性的影响,并基于降雨入渗基本理论和强度折减法基本理论,进一步地对边坡渗流和稳定性做出了研究。结果表明,边坡孔隙水压力随着降雨时长和降雨强度的增大而增大,而安全系数随着降雨时长和降雨强度的增大而减小,从而会导致边坡发生失稳破坏;相比于降雨时长,降雨强度的增大使边坡更容易发生失稳破坏。Rainfall is an important factor leading to slope instability. In order to analyze the influence of rainfall duration and intensity on slope stability, this paper adopts Abaqus finite element software to analyze the influence of rainfall time and intensity on slope pore water pressure and slope stability based on the theory of rainfall infiltration and the basic theory of intensity reduction method. The seepage and stability of the slope are further studied. The results show that the pore water pressure of the slope increases with the increase of rainfall duration and rainfall intensity, while the safety factor decreases with the increase of rainfall duration and rainfall intensity, which leads to the instability of the slope. Compared with the duration of rainfall, the increase of rainfall intensity makes the slope more easily to instability failure.

关 键 词：数值模拟 有限元 降雨特征 安全系数 边坡稳定性 

分 类 号：P64[天文地球—地质矿产勘探]