机译:Face stability of EPB shield tunnels in multilayered ground with soft sand lying on hard rock considering dynamic excavation process: A DEM study
Sichuan Highway Planning Survey Design & Res Inst, Chengdu 610041, Peoples R China;
Southwest Jiaotong Univ, Key Lab Transportat Tunnel Engn, Minist Educ, Chengdu 610031, Peoples R China|Colorado Sch Mines, Dept Civil & Environm Engn, Golden, CO 80401 USA;
Southwest Jiaotong Univ, Key Lab Transportat Tunnel Engn, Minist Educ, Chengdu 610031, Peoples R China;
Multilayered ground; EPB shield tunnel; Face stability; Dynamic excavation process; Discrete element method (DEM);