Instrument to Measure the Initial Deformation of Rock Around Underground Openings (open access)

Instrument to Measure the Initial Deformation of Rock Around Underground Openings

Report issued by the Bureau of Mines over development of the tunnel stress relaxation gage. As stated in the introduction, "this report summarizes development and modification of a tunnel stress relaxation gage (TSR) designed to measure initial and long-term deformation around underground excavations" (p. 1). This report includes tables, illustrations, and photographs.
Date: 1978
Creator: Beus, Michael J.; Phillips, Earl L. & Waddell, Galen G.
System: The UNT Digital Library
Bureau of Mines Research on Trailing-Cable-Fault Locators (open access)

Bureau of Mines Research on Trailing-Cable-Fault Locators

Report issued by the Bureau of Mines over fault locators in trailing cables. The methods used for locating faults are discussed. This report includes tables, illustrations, and photographs.
Date: 1978
Creator: Conroy, George J.
System: The UNT Digital Library