A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
One-mile railway tunnel under city of Quebec
Concrete-lined tunnel 1 mi. 70 ft. long with clear width inside 16 ft. and clear height 22 ft. 6 in.; side walls are vertical and top is semi-circular arch with radius of 8 ft.; construction equipment; in excavating tunnel bottom heading method was used; placing concrete lining. (see also Can. Engr., vol. 61, no. 7, Aug. 18, 1931, pp. 9-11, 4 figs)
One-mile railway tunnel under city of Quebec
Concrete-lined tunnel 1 mi. 70 ft. long with clear width inside 16 ft. and clear height 22 ft. 6 in.; side walls are vertical and top is semi-circular arch with radius of 8 ft.; construction equipment; in excavating tunnel bottom heading method was used; placing concrete lining. (see also Can. Engr., vol. 61, no. 7, Aug. 18, 1931, pp. 9-11, 4 figs)
One-mile railway tunnel under city of Quebec
Contract Rec
1931
5 pages
5 Figs.
Article (Journal)
English
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One-mile railway tunnel under city of Quebec
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