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President John-Fitzgerald-Kennedy Coastal road

Execution of repair work on prestressed structures and supports

Renovation

France, 2007-2009

General description

An emblematic road on the Marseille coast, the Corniche Kennedy suffers from repeated attacks of sea spray and sea air on its reinforced concrete structure. After renovation work begun in 1999 to make the surface more watertight and consolidate part of the viaducts, a new restoration programme was launched in 2008 on the four remaining structures and corbel supports: reinforcement by additional prestressing, repair of the concrete and repair of other equipment. In 2018, new repair and reinforcement work again started to be undertaken on the part of the road above the sea: repair and reinforcement of the reinforced concrete brackets, replacement of the existing parapets and benches with new ultra-high-performance fibre-reinforced concrete (UHPC) elements and replacement of the existing slabs with new prefabricated ones. The reinforcements of the concrete brackets were protected by the putting in place of an impressed current cathodic protection system.

Consortium

BOUYGUES TRAVAUX PUBLICS REGIONS FRANCE / BOUYGUES BATIMENT CENTRE SUD OUEST

Project owner

COMMUNAUTE URBAINE DE MARSEILLE PROVENCE METROPOLE

Locations

Associated Projects

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