机译:Numerical Analysis of Sill and Crown Pillar Stability for Multilevel Cut and Fill Stopes in Different Geomining Conditions
Department of Mining Engineering, ISM, Dhanbad 826004, India;
Department of Mining Engineering, IIT, Kharagpur 721 302, India;
Crown and sill pillar stability; Drucker-Prager; Numerical modeling; Deep underground working;