Field verification of load transfer mechanics of fully grouted roof bolts
By: by S.P. Signer.
Series: Report of investigations (United States. Bureau of Mines) -- 9301.
Publisher: Dept. of the Interior
Published: 1990
Place of publication: Washington, DC
Language: eng
Number of pages: 13
Subjects: Mine roof bolting -- Testing; Grouting.; Bolts and nuts -- Fatigue
Notes:  89028513 // t_oclc

Bibliogr.

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