Molycorp, Inc.’s Questa Mine plans to switch from gravity draw in Block 1 to a load-haul-dump (LHD) draw system in the East and West blocks of the D Orebody. Changes in mining method require modifying the support design. This paper summarizes the numerical ...

The bearing capacity of square and rectangular shallow footings is typically<br>calculated using semi-empirical modifications of a strict solution to a strip footing over a weightless half-space. Two other approaches are presented in this paper for solving ...

The history of stress around a circular tunnel during excavation in a homogeneous, isotropic, linear elastic or plastic medium with a strain softening behavior, subjected to either isotropic (Ko = 1) or anisotropic (Ko = 2) state of stress, in 3D conditions ...