Heavylifting operations for the assembly of a 150 m long simply supported bridge deck
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Title Heavylifting operations for the assembly of a 150 m long simply supported bridge deck
Creator Juan J. Marti Gastaldo, Javier Martinez Gutierrez, Jose Luis Salamanca Garcia, Salvador Salamanca Garcia, Alvaro Delicado Grandal, Alvaro Saenz, Fernando Espinosa de los Monteros
Contributor -
Publisher ISEC PRESS
Publication Year 2560
Keyword Lifting, Strand jack, SPMT, Load out, Removable deck, Construction equipment
Abstract The new viaduct over the Cadiz Bay includes a removable deck to allow the navigation of large floating structures, higher than the 69 m clearance of the main cable-stayed span of the bridge. For this purpose, a 150 m long simply supported span was designed, which can be assembled and disassembled. The steel deck, weighing 4.000 metric tons, was completely manufactured onshore, the challenge being to move such a massive structure to its final position above the piers. It required for several heavylifting maneuvers, such us land transportation and load-out with two 6x28 axle lines of SPMT, sailing with a 100 m-long barge and positioning the deck in-between the piers with a tight gap, a lifting with eight strand jacks 850 T capacity each and a final transversal shifting. The aim of this paper being to describe all the activities and the heavylifting equipment employed for the assembly of such a massive deck.
ISBN 978-0-9960437-4-8
International Struct Eng and Constructn Society

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