According to the problem of failure and instability in roadbed and cutting engineering of underground karat cavity, on the basis of inhomogeneous elastic damage model, this thesis propose the FEM back-analysis from instability-strength degradation, to des
According to the problem of failure and instability in roadbed and cutting engineering of underground karat cavity, on the basis of inhomogeneous elastic damage model, this thesis propose the FEM back-analysis from instability-strength degradation, to des
摘要针对地下溶洞路床路堑工程变形与失稳问题，本文提出了基于非均质弹性损伤模型的有限元失稳－强度折减反分析法，认为材料参数服从统计分布来描述材料的非均匀性。