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Concrete Floating Docks:
Tested by the North Sea


Concrete floating dock

    Far North Fiberglass are international agents for one of the world's largest floating dock manufacturers. When you build your marina with these concrete floating docks, you’re getting the innovative, patented designs created by Rixö-bryggan of Brastad, Sweden. This system was created and designed to withstand the storms of the North Sea, so no matter what extreme conditions your site experiences, these concrete floating docks are tough enough to stand up to them.

    Our concrete floating docks and wave attenuators are formed with a polystyrene core and an outer concrete shell. Pressure-treated wooden whalers are added as a standard feature on each pontoon. The top of the system is given a non-slip walking surface.

    The connection system is the secret to the strength of these concrete docks and breakwaters. Conventional concrete systems connect pontoons together by stringing whaler boards connected by threaded rod between the sections. The problem with the conventional connection system is that, as the pontoon moves in the waves, stress is being placed on the concrete in the areas above and below the threaded rod. Over time, the stress may lead to fractures or cracking of the concrete in the areas above and below the threaded rod. Unlike conventional systems, this system is connected with cables that run inside the length of the pontoon and are hydraulically post-tensioned. As the system moves, the majority of the force is absorbed by the cable and does not negatively effect the concrete. While the cables absorb the energy of the movement between the sections, the system will maintain a high amount of rigidity and will provide a very stable walking surface.

    We’re ready to design and install concrete floating docks and wave attenuators in virtually any dimensions for your needs. Three of our most popular models are:

  • Model 400 Floating Dock
  • Model 450 Heavy Duty Dock or Light Duty Wave Attenuator
  • Model 850 Heavy Duty Wave Attenuator

The Rixö-Bryggan Model 400 is designed as a commercial marina dock system. The standard walkway section is 50' long and 8' wide. Standard finger piers are 4' wide and vary in length based on the desired slip length. Both walkways and finger piers have a freeboard of 22". The finger piers can feature corner walkways at their connection point to the main walkway. This system has a carrying capacity of 50 pounds per square foot.

The Rixö-bryggan Model 450 may be used as a heavy duty dock or a light duty breakwater. It stands a total of four feet in height, and like the Model 850, it will provide two feet of free board. But, unlike Model 850, it is not constructed with flanges and only two feet of concrete is submerged below the water. The wave dampening effect is, thus, significantly less than that provided by Model 850. The concrete system is so strong and stable that a full size automobile may be safely driven on it.

The Rixö-bryggan Model 850 is designed as a heavy-duty breakwater standing six feet six inches in height. Because the energy of a wave travels in an elliptical motion, the depth of a floating breakwater is very important. If the bottom of the ellipse is greater than the depth of the breakwater, a portion of the wave's energy will travel under the breakwater. Accordingly, the deeper the breakwater, the greater the wave dampening effect of the structure. The "legs" on the Model 850 also trap water inside the frame of the breakwater and effectively adds to the wave dissipating mass of the structure.




Far North Fiberglass
49D MacDonald Road
Whitehorse, Yukon Territory
Canada   Y1A 4R1
Telephone: 867-393-2467
Toll-free: 1-866-324-0558
Fax: 867-393-2365
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The dock images on this page are all ©2004 by ShoreMaster, and are used here with permission.