Search U.S. government technical reports digitized or harvested by TRAIL.
Evaluating anchorage testing methods for expansion-type mine roof bolts
Frictional ignition of gas during a roof fall
Determining the in-place support of mine roof with rock bolts, White Pine Copper Mine, Michigan
The combined effects of friction and suspension in bolting bedded mine roof
The effect of suspension in bolting bedded mine roof
Mine roof rock and roof bolt behavior resulting from nearby blasts
Evaluation of a penetrometer for estimating roof-bolt anchorage
Load relations in preloaded rockbolt testing
Field testing of the explosive-anchored rockbolt
Yield and ultimate strengths of rock bolts under combined loading
Theoretical stress distribution near explosively expanded rock bolt anchors
Evaluation of the explosive-anchored rock bolt
Transverse force produced by tensioned expansion-shell-type rock-bolt anchors