Search U.S. government technical reports digitized or harvested by TRAIL.
Centrifugal testing apparatus for mine-structure stress analysis
Use of torque wrench to determine load in roof bolts.
Anchorage testing of mine-roof bolts.
Use of torque wrench to determine load in roof bolts.
Design of bolting systems to reinforce bedded mine roof
Theory of model testing as applied to roof bolting
Use of torque wrench to determine load in roof bolts.
Anchorage testing of mine-roof bolts.
Principles of reinforcing bedded mine roof with bolts
The combined effects of friction and suspension in bolting bedded mine roof
The effect of suspension in bolting bedded mine roof
A method for determining stress in rock
Monitoring ground movements near caving stopes :methods and measurements