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Construction of the Bai Chay Bridge

Construction of the Bai Chay Bridge
Auteur(s): , , , ,
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Présenté pendant 17th IABSE Congress: Creating and Renewing Urban Structures – Tall Buildings, Bridges and Infrastructure, Chicago, USA, 17-19 September 2008, publié dans , pp. 150-151
DOI: 10.2749/222137908796292092
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The Bai Chay Bridge, spanning a strait within sight of Ha Long Bay, Vietnam’s premier World Heritage site, has the world’s longest center span length of 435 m, as a single plane cable-stayed prestr...
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Détails bibliographiques

Auteur(s):





Médium: papier de conférence
Langue(s): anglais
Conférence: 17th IABSE Congress: Creating and Renewing Urban Structures – Tall Buildings, Bridges and Infrastructure, Chicago, USA, 17-19 September 2008
Publié dans:
Page(s): 150-151 Nombre total de pages (du PDF): 8
Page(s): 150-151
Nombre total de pages (du PDF): 8
Année: 2008
DOI: 10.2749/222137908796292092
Abstrait:

The Bai Chay Bridge, spanning a strait within sight of Ha Long Bay, Vietnam’s premier World Heritage site, has the world’s longest center span length of 435 m, as a single plane cable-stayed prestressed concrete bridge, with a bridge length of 903 m.

The foundations for the main piers were constructed by the pneumatic caisson method. Form travelers were used for the cast-in-situ box girder erection by the balanced cantilever method. The main pylons, which extend 91,5 m in height above the deck level were constructed using a climbing formwork system.

The box girder is lightweight with internal steel pipe bracing and prestressing tendons. The design wind speed for the bridge is 50 m/s. Technologically advanced vibration control devices for the stay cables and the pylons were incorporated into the construction.

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