Search

Search U.S. government technical reports digitized or harvested by TRAIL.

Keyword Search

Enter your search term(s):
[advanced search]

4 results returned

Search results

• Evaluation of pulsed-phase-lock-loop technology applied to mine roof bolt load measurement
• Evaluation of ultrasonic measurement systems for bolt load determinations
• Field verification of load transfer mechanics of fully grouted roof bolts
• Transfer mechanics of full-column resin-grouted roof bolts