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Nozomi Bridge - a hybrid structure of stress-ribbon deck and truss

Autor(en):




Medium: Fachartikel
Sprache(n): en 
Veröffentlicht in: Structural Concrete, , n. 4, v. 7
Abstrakt:

It is well known that one drawback for stress-ribbon bridges can be that significant horizontal reactions at the abutment can be generated and that they have low flexural stiffness. The latter prevents them from being used as roadway bridges. A new hybrid structure of stress-ribbon deck and truss has been proposed and was adopted in the construction of Nozomi Bridge in Japan, a roadway bridge opened to traffic in 2003. Static and dynamic behaviours of the hybrid structure have been studied analytically and experimentally. The results show that the hybrid bridge has advantages over the stress-ribbon deck bridge as it generates much less horizontal force in suspension cables and has higher flexural stiffness, suitable for use as a roadway bridge, and that the hybrid bridge has advantages over the truss bridge since it can be constructed without extensive falsework and without large erection equipment. In this paper, at first, the hybrid structure is described, then analytical and test results are used to show its static and dynamic characteristics, and finally the construction of Nozomi Bridge is outlined.

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  • Über diese
    Datenseite
  • Reference-ID
    10049151
  • Erstellt am
    20.01.2010
  • Geändert am
    13.08.2014