... of the individual pillar snooks (post-extraction pillar remnants). Reservoir Characterization kickout fender axial strain southern african institute pillar mining height square cut pillar snook strain value Snook pillar strain stability safety factor metals & mining extraction ratio...

... extraction, but rather the predicted rock mass and pillar behaviour prior to pillar extraction. metals & mining criterion stability probability representative area pillar strength square cut pillar solid pillar mining height extraction ratio safety factor single diagonal cut Snook...