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Auckland Harbour Bridge Box Girder Strengthening

Autor(en):
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: 35th Annual Symposium of IABSE / 52nd Annual Symposium of IASS / 6th International Conference on Space Structures: Taller, Longer, Lighter - Meeting growing demand with limited resources, London, United Kingdom, September 2011
Veröffentlicht in:
Jahr: 2011
Abstrakt:

The economic vitality of Auckland depends upon the movement of people and freight around the city’s motorways and the Auckland Harbour Bridge (AHB) is a crucial component of the network. When traffic loads were found to have increased 150% since the last bridge assessment major intervention was needed to upgrade the structure for current and future demands.

The addition of extension bridges to the original truss bridge was an innovative achievement in 1969 increasing highway capacity from 4 to 8 lanes. Getting the most out of the existing steel orthotropic box girder structure to extend the service life of the crossing was the key challenge for this project.

Strengthening work was completed in 2010 using innovative techniques to deliver the required construction quality and fatigue endurance. More has been gained out of the AHB box girders than ever anticipated and the landmark bridge has been preserved for decades to come.

Stichwörter:
Brückenertüchtigung

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  • Reference-ID
    10065518
  • Veröffentlicht am:
    03.10.2011
  • Geändert am:
    05.07.2021
 
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