粉质黏土边坡稳定的影响因素敏感性分析
Sensitivity Analysis of Factors Affecting the Stability of Silty Clay Slope
范思成 1陈忠源 1张梦思 1郑玮 1陈晗玥1
作者信息
- 1. 福州外语外贸学院 智能建造学院,福建 福州 350202
- 折叠
摘要
为了更加深入的确定各个因素对粉质黏土边坡稳定性的影响程度,选取坡高、坡角、容重、粘聚力以及内摩擦角5 个参数进行敏感性分析.运用Geo-Studio软件数值模拟多种工程勘测的实际情况,最终得到 360种不同情况下边坡安全系数.采用单因素分析法分析各参数的敏感度后认为:总体上,各影响因素敏感性由大到小依次为坡角、内摩擦角、容重、粘聚力、坡高;随着坡高、坡角和容重的增大,边坡的安全系数逐渐降低;随着黏聚力和内摩擦角的增大,边坡的安全系数逐渐提高.
Abstract
In order to determine the degree of influence of various factors on the stability of silty clay slope,five parameters,namely,slope height,slope angle,bulk density,cohesion and internal friction angle were selected.Geo-Studio software was used to simulate the actual conditions of various engineering surveys.360 kinds of slope safety factors were obtained under different conditions.Univariate analysis was applied to analyze the sensitivity of each parameter and considers that:the sensitivity of each influencing factor is successive-ly from large to small:slope angle,internal friction angle,bulk density,cohesion and high slope;With the increase of slope height,slope angle and bulk density,the safety factor of slope gradually decreases.With the cohesive force and internal friction angle increasing,the safety system of slope is improved gradually.
关键词
粉质黏土/稳定性/敏感度/单因素分析法/数值模拟Key words
silty clay/stability/sensitivity/single factor analysis/numerical simulation引用本文复制引用
出版年
2024
NETL
NSTL
维普
万方数据