ABSTRACT
Starting from the geostatic condition, the room and pillar cavities follow the progressive removal of the soft-rock material (Fig. 1). Similar analyses were made on coal pillars (Murali Mohan et al. 2001).
Starting from the geostatic condition, the room and pillar cavities follow the progressive removal of the soft-rock material (Fig. 1). Similar analyses were made on coal pillars (Murali Mohan et al. 2001).