Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Erection of lower deck -- George Washington bridge
Addition of 6-lane lower deck to existing structure; lower deck structure comprises 7 ft deep floor beams spaced 30 ft on centers and 24 WF 76 beam-stringers spaced 5 ft 7 1/2 in. on centers and supported on top of beams; use of trolley trucks, running on track-beams fastened to lower side of existing deck, for erection of 220 ton steel sections; added load of new lower deck causes 593 ft high towers to deflect 13 1/2 in. toward river.
Erection of lower deck -- George Washington bridge
Addition of 6-lane lower deck to existing structure; lower deck structure comprises 7 ft deep floor beams spaced 30 ft on centers and 24 WF 76 beam-stringers spaced 5 ft 7 1/2 in. on centers and supported on top of beams; use of trolley trucks, running on track-beams fastened to lower side of existing deck, for erection of 220 ton steel sections; added load of new lower deck causes 593 ft high towers to deflect 13 1/2 in. toward river.
Erection of lower deck -- George Washington bridge
Civ Eng (NY)
Durkee, E.L. (Autor:in)
1960
5 pages
Aufsatz (Zeitschrift)
Englisch
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