A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Peruvian Method of Highway and Railroad Tunnel Construction
Construction costs of 19 tunnels by hand drilling were lower than similar jobs with portable gasoline-driven compressors; top heading 1.6 by 1.8 m.; widening to full arch; removal of rock to grade in two benches; average costs 14 to 18 Peruvian pounds per meter of finished tunnel 4 by 5 m.; no cost details. Before Nat. Tech. Road Conference.
Peruvian Method of Highway and Railroad Tunnel Construction
Construction costs of 19 tunnels by hand drilling were lower than similar jobs with portable gasoline-driven compressors; top heading 1.6 by 1.8 m.; widening to full arch; removal of rock to grade in two benches; average costs 14 to 18 Peruvian pounds per meter of finished tunnel 4 by 5 m.; no cost details. Before Nat. Tech. Road Conference.
Peruvian Method of Highway and Railroad Tunnel Construction
Metodo peruano para la construccion de tuneles para carreteras o ferrocarriles
Castagnola, D. (author)
1929
6 pages
6 Figs. on Supp. plates
Article (Journal)
Spanish
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