Relationships between annulus thickness and the integrity of resin-grouted roof bolts

An edition of Relationships between annulus thickness and the integrity of resin-grouted roof bolts (1989)

Relationships between annulus thickness and the integrity of resin-grouted roof bolts

By Bryan F. Ulrich

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Publish Date

1989

Publisher

U.S. Dept. of the Interior, Bureau of Mines

Language

eng

Pages

Description:

subjects: Drilling and boring, Holes, Resin Mine roof bolts