Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Tight work in small tunnels tests contractors' ingenuity
Methods used in driving two small bore tunnels, aggregating 4600 ft in length for pipe line of Pinnacles hydroelectric development of city of Danville, Va; concrete placing rig utilizing air hoist mounted on gun to handle 1-cu yd cars and unload scoops; traveling steel forms designed for collapsing and moving on rolling carriage.
Tight work in small tunnels tests contractors' ingenuity
Methods used in driving two small bore tunnels, aggregating 4600 ft in length for pipe line of Pinnacles hydroelectric development of city of Danville, Va; concrete placing rig utilizing air hoist mounted on gun to handle 1-cu yd cars and unload scoops; traveling steel forms designed for collapsing and moving on rolling carriage.
Tight work in small tunnels tests contractors' ingenuity
Construction Methods Equipment
1938
2 pages
Aufsatz (Zeitschrift)
Englisch
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