Field verification of load transfer mechanics of fully grouted roof bolts
By: by S.P. Signer.
Series: Report of investigations ;; 9301; Report of investigations (United States. Bureau of Mines) ;; 9301.
Publisher: Bureau of Mines, U.S. Dept. of the Interior
Published: 1990
Place of publication: Pgh. [i.e. Pittsburgh] Pa
Language: eng
Number of pages: 13
Subjects: Mine roof bolting -- Testing.; Grouting.; Bolts and nuts -- Fatigue.
Notes: Includes bibliographical references (p. 7-8).