BE1007129A7 - Movable water-retaining wall with autonomous operation - Google Patents

Abstract

This invention describes a movable water-retaining wall that operates autonomously, controlled exclusively by the river water. The retaining wall will be raised and lowered as a function of the water level. At normal water levels there will be no obstruction and the areas where the retaining structure has been placed will remain freely accessible. The barrier will be raised when the water level rises. The water controls the raising and lowering of the retaining wall. No external intervention by people or by electro-mechanical systems is required. The retaining wall can be seen either as a construction that floats completely, or as being hinged around a fixed point.

Description

       

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  MOVABLE FILM
WITH AUTONOMOUS OPERATION
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 The invention relates to the construction of a flood defense. The flood defense system increases or decreases depending on the water level. The movement of the flood defense is done only by the rising water, so without any propulsion by engines or the like. This invention is important, for example, in places where a dyke elevation must be carried out at the height of existing entrances to the water. In the case of a fixed flood defense system, the access of the water to the structure next to the water is interrupted, but not with a movable flood defense system.

   In the invention described here, without any human or electromechanical intervention, the flood defense will change level only by the emergence of the water.

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 Applications and Examples Figures 1 & 2 Application of the invention in access to a shipyard or any infrastructure work. If the dyke is planned to rise, the slipway, which forms the connection between the water and the actual shipyard, would be closed.



  The existing slipway can remain in use due to the application of a flood defense with autonomous effect. The current dike height is at level + 7 m. A flood defense was required up to level + 8, 35 m. At water levels lower than 7 m, the flood defense (1) is constructed from watertight caissons, as shown on the cross section figure 1. The slipway is freely accessible. When the water (2) rises, the basement (4) will fill with water via a sewer system (3). The from caissons
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 I built weir will float, and rise to the desired level (+ 8, 35 m), as indicated in cross section (figure 2). The necessary seals (5) will prevent the penetration of water.

   The rise and fall of the flood defense is only controlled by inflowing and outflowing water, without any aids.

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  Figures 3 & 4 Application of the invention wherein the self-contained water barrier consists of a hinged valve with float. An area that is freely accessible must be protected against higher water levels. A permanent flood defense would impede free access. An autonomously functioning flood defense that only comes into operation at higher water levels, where the site would be flooded, allows free access. The flood defense consists of a hinged valve (6) with a float (7). Figure 3 shows the flood defense in open position. The water is below ground level (8).



  When the water level (9) rises, the basement (10) will fill with water via a sewer system (11). Due to the driving force of the float (7), the water barrier (6) rises. This without any human or mechanical intervention. When the water descends, the barrier returns to its position as shown in figure 3. The site is freely accessible.


    

Claims (1)

Conclusion The invention described here, a flood defense with autonomous effect, allows existing access to rivers to be used when new dike heights are imposed. Characteristic of the invention is the movement of a barrier by the force of the rising water, without additional operation by personnel or any electromechanical system. When there are no extreme water levels in which the barrier is raised, the areas on which the barrier is located are completely freely accessible, such as for raising the water level.