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Seismic Design of the Self Anchored Suspension San Francisco Oakland Bay Bridge

 Seismic Design of the Self Anchored Suspension San Francisco Oakland Bay Bridge
Auteur(s): , ,
Présenté pendant IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014, publié dans , pp. 1307-1314
DOI: 10.2749/222137814814067860
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The seismically vulnerable East Span of the San Francisco-Oakland Bay Bridge is being replaced with a dual east bound and west bound 3.6 km long parallel structure. The Bay Bridge lies between the...
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Détails bibliographiques

Auteur(s):


Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014
Publié dans:
Page(s): 1307-1314 Nombre total de pages (du PDF): 8
Page(s): 1307-1314
Nombre total de pages (du PDF): 8
Année: 2014
DOI: 10.2749/222137814814067860
Abstrait:

The seismically vulnerable East Span of the San Francisco-Oakland Bay Bridge is being replaced with a dual east bound and west bound 3.6 km long parallel structure. The Bay Bridge lies between the Hayward and the San Andreas faults which can generate magnitude 7.5 M and 8.1 M earthquakes, respectively. Four distinct structures make up the bridge crossing: a low rise post-tensioned concrete box girder near the Oakland shore; a 2.4 km long segmental concrete box girder; a self-anchored suspension signature span; and a post-tensioned concrete box girder that connects to the east portal of the Yerba Buena Island tunnel. This paper focuses on the design parameters and constraints, the design evolution, the bridge type selection process, the selected design’s major structural and architectural characteristics, and the structural details.

Mots-clé:
conception sismique pont suspendu

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