A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Strata control in coal mines
Observations of strata movements associated with workings; loads carried by supports; physical properties of supports, and of coal measure strata; load on supports at coal face bears no definite relation to depth of seam; it is suggested that load depends upon thickness of beds which become detached from superjacent strata in region of working face. (See also - v 10 n 3 Jan 1939 p 335-53 (discussions) p 354-68)
Strata control in coal mines
Observations of strata movements associated with workings; loads carried by supports; physical properties of supports, and of coal measure strata; load on supports at coal face bears no definite relation to depth of seam; it is suggested that load depends upon thickness of beds which become detached from superjacent strata in region of working face. (See also - v 10 n 3 Jan 1939 p 335-53 (discussions) p 354-68)
Strata control in coal mines
Instn Civil Engrs -- J
Foster, H.T. (author) / Hogan, M.A. (author)
1939
5 pages
Article (Journal)
English
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