Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Erecting towers and floor steel on Hudson River bridge
Structural steel placed in record time; towers erected by platform travelers moving upward between tower legs and carrying two derricks, each operated by 300-hp., seven-drum hoisting engine; A-frame travelers, operating on deck each way from each tower, erected floor steel; mechanical assemblies used in operating erection creeper on Hudson River bridge towers; signaling system.
Erecting towers and floor steel on Hudson River bridge
Structural steel placed in record time; towers erected by platform travelers moving upward between tower legs and carrying two derricks, each operated by 300-hp., seven-drum hoisting engine; A-frame travelers, operating on deck each way from each tower, erected floor steel; mechanical assemblies used in operating erection creeper on Hudson River bridge towers; signaling system.
Erecting towers and floor steel on Hudson River bridge
Eng. News-Rec
Halteman, A.S. (Autor:in)
Engineering News-Record ; 107
1931
8 pages
13 Figs.
Aufsatz (Zeitschrift)
Englisch
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