Influencing factors of the stability of mudstone-filled road subgrade slopes
DU Yilong
LI Qinglin
ZHONG Guangjun
XUN Rongjian
CHEN Wenwen
Abstract：In order to increase the utilization rate of solid waste such as mudstone in practical engineering,the finite element software COMSOL Multiphysics is used to analyze the displacement of mudstone-filled slope in different water content and compaction degrees under conditions of basic stability,under stability,and instability.The factors influencing the slope stability are studied.The research shows that the slope stability of mudstone-filled decreases linearly with increasing water content and increases slowly with increasing compaction degree.The ultimate horizontal displacement of the mudstone-filled slope in different stability states(basic stability,under stability,instability)is analyzed,and the variation of the threshold of road performance of mudstone fill under single stress field is determined.Water content and compaction degree have a greater impact on the slope in under stability and instability.This study can provide monitoring basis for stability warning of mudstone-filled slope.
Keywords：mudstoneslope stabilitythresholdwater contentcompaction degree
Publication Date：2023-12-30
Online Publishing Date：2026-05-22(First online date of this platform, not the publication date of the document)
Pages：7( 109-115 )