Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Philadelphia's Penrose avenue bridge opened to traffic
Main span of 680 ft has vertical clearance of 135 ft; adjacent cantilevers each span 340 ft; approaches are continuous steel girder; width of bridge is 51 ft plus two 5-ft sidewalks; data on foundation; bridge lighting is of mercury vapor type with 21,000 lumen lamps mounted 31 ft 9 in. above roadway at spacing of 130 ft.
Philadelphia's Penrose avenue bridge opened to traffic
Main span of 680 ft has vertical clearance of 135 ft; adjacent cantilevers each span 340 ft; approaches are continuous steel girder; width of bridge is 51 ft plus two 5-ft sidewalks; data on foundation; bridge lighting is of mercury vapor type with 21,000 lumen lamps mounted 31 ft 9 in. above roadway at spacing of 130 ft.
Philadelphia's Penrose avenue bridge opened to traffic
Civ Eng (NY)
Masters, F.M. (Autor:in)
Civil Engineering ; 21
1951
5 pages
Aufsatz (Zeitschrift)
Englisch
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