Use of Torque Wrench to Determine Load in Roof Bolts Part 2.: Expansion-Type 3/4-Inch Bolts

Barry, A. J.; Panek, L. A. ; & McCormick, J. A.

Published by US Dept. of the Interior: Bureau of Mines, Washington, D. C., 1954

About this Item

17pp.; SC grey w/blk.staple-bound(no title on spine); sml.ink mks. ft.cover; clean,tight pgs. Investigation of the torque-load relationship for 3/4-inch, expansion-type mine roof bolts. This is the 3rd report related to fundamental roof-bolting research in underground mines. Report of Investigations (RI) 5080. illus.; charts&tables.

Seller Inventory # 005247

Bibliographic Details

• Title: Use of Torque Wrench to Determine Load in Roof Bolts Part 2.: Expansion-Type 3/4-Inch Bolts
• Publisher: US Dept. of the Interior: Bureau of Mines, Washington, D. C.
• Publication Date: 1954
• Binding: Paper Back
• Condition: Near Fine
• Dust Jacket Condition: No Jacket
• Seller catalogs:
  • Stan