Dutchdam
Dutchdam
A new and innovative alternative for increasing the height of a levee, without affecting the environment or existing infrastructure is the Dutchdam. The Dutchdam is a flood-defense barrier, which can be placed immediately in case of an emergency. Two Dutchdams have been developed: the Dutchdam Delta and the Dutchdam Duplo.
Dutchdam Duplo
The Duplo features a folding wall of 50 or 80 cm and folds up inside an aluminium housing construction in a quay, wall or levee. This housing is covered over by the lowest part of the defence wall. The complete system needs to be placed on a foundation e.g. the quay, wall or build out of sheet piles or concrete plates. It can take traffic and does not produce any obstacles in the immediate surroundings.
The “lid” of the system is attached with hinges to the housing and is attached again with a longitudinal hinge to the second defence wall part, which is folded away under the lid. A vertical stanchion, which keeps the parts of the defence wall ready for operation, with a water-tight seal, lies under the folded parts of the defence wall in the housing construction.
The flood barrier is always on standby and for deployment requires only a limited number of man-hours. The Dutchdam-Duplo received the Dutch Design prize 2004. (Dublin)
Dutchdam Delta
The Dutchdam-Delta emergency flood barrier is an aluminium system which is completely stored at the point of need. All parts are placed in the concrete gutter below ground level or integrated in quay walls or levees. This allows fast deployment. The concrete gutter is a part of the foundation and placed on top of sheet piles or concrete plates to a depth which is dependent on the characteristics of the local subsoil and the hydraulic demands on site.
All Dutchdam parts are constructionally connected to each other with integrated bars; this means that no nuts or bolts are used. Vandals cannot have access to the system without setting off an alarm. The vertical coupling of the panels ensures that a collision load is absorbed by the entire wall (this represents an unusually high operational reliability and therefore safety). (Nijmegen)
Dutchdam Duplo
The Duplo features a folding wall of 50 or 80 cm and folds up inside an aluminium housing construction in a quay, wall or levee. This housing is covered over by the lowest part of the defence wall. The complete system needs to be placed on a foundation e.g. the quay, wall or build out of sheet piles or concrete plates. It can take traffic and does not produce any obstacles in the immediate surroundings.
The “lid” of the system is attached with hinges to the housing and is attached again with a longitudinal hinge to the second defence wall part, which is folded away under the lid. A vertical stanchion, which keeps the parts of the defence wall ready for operation, with a water-tight seal, lies under the folded parts of the defence wall in the housing construction.
The flood barrier is always on standby and for deployment requires only a limited number of man-hours. The Dutchdam-Duplo received the Dutch Design prize 2004. (Dublin)
Dutchdam Delta
The Dutchdam-Delta emergency flood barrier is an aluminium system which is completely stored at the point of need. All parts are placed in the concrete gutter below ground level or integrated in quay walls or levees. This allows fast deployment. The concrete gutter is a part of the foundation and placed on top of sheet piles or concrete plates to a depth which is dependent on the characteristics of the local subsoil and the hydraulic demands on site.
All Dutchdam parts are constructionally connected to each other with integrated bars; this means that no nuts or bolts are used. Vandals cannot have access to the system without setting off an alarm. The vertical coupling of the panels ensures that a collision load is absorbed by the entire wall (this represents an unusually high operational reliability and therefore safety). (Nijmegen)