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Second Bay of Cadiz Bridge-Latest Construction Challenges

 Second Bay of Cadiz Bridge-Latest Construction Challenges
Autor(en): , , , ,
Beitrag für IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010, veröffentlicht in , S. 472-473
DOI: 10.2749/222137810796025456
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The construction works for the New Cadiz Bridge started in April 2007 and the completion is scheduled for autumn 2011. By now, important challenges have been faced, such as the construction of 495 ...
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Autor(en):





Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010
Veröffentlicht in:
Seite(n): 472-473 Anzahl der Seiten (im PDF): 8
Seite(n): 472-473
Anzahl der Seiten (im PDF): 8
Jahr: 2010
DOI: 10.2749/222137810796025456
Abstrakt:

The construction works for the New Cadiz Bridge started in April 2007 and the completion is scheduled for autumn 2011. By now, important challenges have been faced, such as the construction of 495 deep piles both inland and on sea, which has demanded innovative excavation solutions. The semi-submerged pier and tower bases have required composite steel-concrete watertight caissons of 1200 tons maximum weight, built inland and placed on site with heavy lift floating sheer-legs, to face the action of the 7 m-high water column, waves and ocean currents. Finally, the rising of the east tower is being developed with a climbing system in the first vertical phase, combined with a complex three-dimensional steel structure anchored to the tower to support the scaffolding of the highly inclined diamond-shaped second phase (only 41º above the horizontal line).

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