Abstract

Recently built for the Bus-HOV lane on the C-58 Motorway, the Viaduct consists of an elevated structure, the piers of which are located in the space between the two decks of an existing viaduct.The new deck consists of a spatial steel tubular structure that supports a concrete platform, on which the carriageway runs.Unknown for this type of structure, the design of the construction system involved erecting the piers and deck 100% without the support of the existing viaduct decks which were only occasionally used for auxiliary aid jobs, control and inspection so that traffic was not cut off at any time.

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