摘要
依据上三公路1#滑坡的地质勘探剖面建立数值分析模型,进行弹塑性材料接触模型的数值模拟研究,研究了堆载诱发型滑坡变形破坏的特点,揭示了滑坡变形破坏发生、发展的力学机理。研究结果表明:在松散堆积体边坡上堆载,直接改变了边坡的稳定性和地下水的渗流条件,降低了坡体的稳定性,最终导致滑坡的发生。
Based on geological exploratory profile of 1# landslide in Shangsan highway,numerical analysis model is established.The characteristic of deformation and failure of slope under accumulation loading is studied by using contact model of elastic-plastic material.The mechanical mechanism of occurrence and development of deformation and failure of slope is revealed.The research results show that accumulation loading on slope of loose accumulation mass directly changes slope stability and seepage condition of groundwater,and reduces stability of slope mass,which finally leads to occurrence of landslide.
出处
《岩石力学与工程学报》
EI
CAS
CSCD
北大核心
2004年第z1期4517-4520,共4页
Chinese Journal of Rock Mechanics and Engineering
基金
国家自然科学基金(40372118)资助项目。
关键词
岩土力学
公路堆载
接触有限元
稳定性分析
rock and soil mechanics,accumulation loading of highway,contact finite element,stability analysis
