Underground stone mines in the United States make use of the room-and-pillar method of mining. A prerequisite for a safe working environment is that the pillars should adequately support the overburden and the pillar ribs and rooms should remain stable during ...

<p>The stability evaluation and control design of a deformable rockmass body was one of the most challenging problems encountered during the construction of the Three Gorge Reservoir in China. Part of the rockmass body appeared to be deforming where as the ...