Strength characteristics and air leakage determinations for alternative mine seal designs
By: by E.S. Weiss ... [et al.].
Contributors: Weiss, E. S.
Series: Report of investigations ;; 9477; Report of investigations (United States. Bureau of Mines) ;; 9477.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1993
Place of publication: Washington, D.C
Language: eng
Number of pages: 21
Subjects: Concrete stoppings (Mining) -- Airtightness -- Testing.; Cement composites -- Testing.; Foamed materials -- Testing.; Wood -- Testing.; Strength of materials.; Coal mines and mining.
Notes: Includes bibliographical references (p. 21).