Pointe Noire, Congo

At Pointe Noire, Congo, an existing breakwater will be extended to increase the protection of the port. The project is carried out by Boskalis.

The breakwater is low crested. The front and rear armour of the breakwater trunk consists of 3 m3 Xblocs. The breakwater head is armoured by 4 m3 Xblocs The crest armour consists of 3-6 tons rock.

2D Model testing has been carried out in the laboratory of Delta Marine Consultants in Utrecht, The Netherlands. 3D model testing has been carried out at HRWallingford in the United Kingdom.

The Xbloc project at Pointe Noire is the fourth Xbloc project carried out by Boskalis.

Location

Pointe Noire, Congo

Project milestones

Start of casting
September 2011


Trial placement
December 2011


Start placement
December 2011


Placement completed
June 2012


Breakwater completed
June 2012

Project details

Hs
5.3 m


Length of breakwater
300 m


Size of Xblocs
3 and 4 m3


Number of units
2,600

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