Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Machine tunneling method used in construction of tailrace tunnel 16 ft in diam and 14,600 ft long through homogeneous hard mudstone; machine used weighs about 120 long tons, and is powered by 6 100-hp motors supplied through 2 400-kva dry type transformers from 6600-v, 3-phase, 50-cycle supply; hydraulic propulsion system operates at 5000 psi.
Machine tunneling method used in construction of tailrace tunnel 16 ft in diam and 14,600 ft long through homogeneous hard mudstone; machine used weighs about 120 long tons, and is powered by 6 100-hp motors supplied through 2 400-kva dry type transformers from 6600-v, 3-phase, 50-cycle supply; hydraulic propulsion system operates at 5000 psi.
Machine tunneling in Tasmania
Civ Eng (NY)
Thomas, H.H. (Autor:in)
1963
Aufsatz (Zeitschrift)
Englisch
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