New coastal highway route, Reunion Island, France
On La Réunion Island a new coastal road proceedes between Saint Denis and La Possesson for a distance of 12km.
Part of this route required the construction of a 5’400m long concrete viaduct built on the ocean floor 10m below see level.
49 bridge decks of 80 to 120m length are supported by 48 towers.
For the launching of the pre-fabricated tower elements from shore to the barges Hebetec designed and installed an automatized system (Video).
Launching of loads took place on air cushions, APS (Air Pad Sliding).
|Heaviest Modul||4'800 t|
|Prefabricated pillars||48 pcs|
|Total modules||146 pcs|
|Moved loads||400'000 t|
|Lenght viaduct||5'400 m|
|Constuction time||3 years|
|APS 250||72 pcs|
|Sliding beams 11’700/5'200||12 pcs|
|Skidways light||1'000 m|