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A platform for research: civil engineering, architecture and urbanism
Cementation of shaft in Cape Breton colliery
Intake air shaft of mine of Dominion Coal Co., Ltd., at Glass Bay, Nova Scotia; 670 ft. deep and 12 ft. diam., 50 yd. from sea shore; brick lining to 213 ft. and concrete for remainder of depth; sunk in 1921 and later grouted, but still made about 30 gal. per min. of seepage water; details of latest cementing operation with grout forced in at 100 lb. per sq. in.; operation completed in one week and shaft is now dry.
Cementation of shaft in Cape Breton colliery
Intake air shaft of mine of Dominion Coal Co., Ltd., at Glass Bay, Nova Scotia; 670 ft. deep and 12 ft. diam., 50 yd. from sea shore; brick lining to 213 ft. and concrete for remainder of depth; sunk in 1921 and later grouted, but still made about 30 gal. per min. of seepage water; details of latest cementing operation with grout forced in at 100 lb. per sq. in.; operation completed in one week and shaft is now dry.
Cementation of shaft in Cape Breton colliery
Can. Min. Jl
Mifflen, S.C. (author)
1929
2 pages
1 Fig.
Article (Journal)
English
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