Relationships between annulus thickness and the integrity of resin-grouted roof bolts
By: by Bryan F. Ulrich, William J. Wuest, and Raymond M. Stateham.
Contributors: Wuest, William J.; Stateham, Raymond M.
Series: Report of investigations ;; 9253; Report of investigations (United States. Bureau of Mines) ;; 9253.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1989
Place of publication: Washington, D.C
Language: eng
Number of pages: 13
Subjects: Mine roof bolts, Resin.; Drilling and boring.; Holes.
Notes: Bibliography: p. 13.