Ningbo Institute of Technology. Zhejiang University;
Ningbo 315100;
China;
Geotechnical Engineering Institute;
Zhejiang University of Science and Technology;
Hangzhou 310012;
China;
Geotechnical Engineering Institute;
Zhejiang University;
Hangzhou 310027;
China;
球形穴; Mohr-Coulomb材料; 弹性理论; 应力软化模型;