Search U.S. government technical reports digitized or harvested by TRAIL.
Effects of planes of weakness on uniaxial compressive strength of model mine pillars
Effect of end conditions on determining compressive strength of rock samples
A method of measuring surface texture of rock
A method for estimating strength of rock containing planes of weakness
The use of rock bolts or wire rope to increase the strength of fractured model pillars
A Thousand-ton capacity stiff testing machine
Pillar failure analysis and in situ stress determinations at the Fletcher mine near Bunker, Mo.