A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Methods in driving 5490 railroad tunnel, Kennecott Copper Corp., Salt Lake county, Utah
Tunnel is 18 ft wide, 24 ft high, and about 18,000 ft long; it will accommodate railroad locomotive on standard-gage track; with exception of last 1700 ft, tunnel is supported by steel sets embedded in concrete lining; chief problem in driving tunnel resulted from penetration of section of incompetent ground several hundred feet in length; operating cycle, equipment, engineering practices, and performance data.
Methods in driving 5490 railroad tunnel, Kennecott Copper Corp., Salt Lake county, Utah
Tunnel is 18 ft wide, 24 ft high, and about 18,000 ft long; it will accommodate railroad locomotive on standard-gage track; with exception of last 1700 ft, tunnel is supported by steel sets embedded in concrete lining; chief problem in driving tunnel resulted from penetration of section of incompetent ground several hundred feet in length; operating cycle, equipment, engineering practices, and performance data.
Methods in driving 5490 railroad tunnel, Kennecott Copper Corp., Salt Lake county, Utah
U S Bur Mines -- Information Cir
Dow, V.T. (author) / Everett, F.D. (author) / Wilson, S.R. (author)
1962
40 pages
Article (Journal)
English
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