Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Construction methods, Cushman tunnel, no. 2
Tunnel adjacent to Hood Canal, near Potlatch, Wash., part of second unit of Cushman power project; 17 ft. inside diam. and 13,000 ft. long; connects Cushman Dam no. 2 and penstocks that lead to power house on beach 400 ft. vertically below tunnel outlet; one shaft, 190 ft. deep, and two adits 300 and 400 ft. long, were provided to speed up driving operations; details of driving practice. Before Am. Inst. Min. and Met. Engrs.
Construction methods, Cushman tunnel, no. 2
Tunnel adjacent to Hood Canal, near Potlatch, Wash., part of second unit of Cushman power project; 17 ft. inside diam. and 13,000 ft. long; connects Cushman Dam no. 2 and penstocks that lead to power house on beach 400 ft. vertically below tunnel outlet; one shaft, 190 ft. deep, and two adits 300 and 400 ft. long, were provided to speed up driving operations; details of driving practice. Before Am. Inst. Min. and Met. Engrs.
Construction methods, Cushman tunnel, no. 2
Min. Met
Rogers, F.E. (Autor:in)
1931
2 pages
Aufsatz (Zeitschrift)
Englisch
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