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 (United States. Bureau of Mines) -- 9253.
Publisher: Dept. of the Interior
Published: 1989
Place of publication: Washington, DC
Language: eng
Number of pages: 13
Subjects: Mine roof bolts, Resin.; Drilling and boring.; Holes.
Notes: 88607922  t_oclc

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Table of contents: class: section