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 Contract Rec vol. 45, no. 12, Mar. 25, 1931 pp. 351-355, 5 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 Contract Rec vol. 45, no. 12, Mar. 25, 1931 pp. 351-355, 5 figs)
One-mile railway tunnel under city of Quebec
Can. Engr
Canadian Engineer ; 61
1931
3 pages
4 Figs.
Article (Journal)
English
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One-mile railway tunnel under city of Quebec
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