Drainage wall buried in the ground

Details Drainage wall buried in the ground Drainage wall buried in the ground

E - Fixed Constructions

02

D

E02D 31/02 (2006.01) E02B 11/00 (2006.01) E02D 19/12 (2006.01)

Patent

CA 2204407

A drainage wall device prevents an underground flow of water from penetrating in a ground or underground area (11) and essentially comprises drainage wells (6) connected at their ends to each other by a counter-balancing drainage gallery (8). The assembly is installed opposite the underground flow of water (10) and an axial drainage gallery (13) is added to direct the collected flow downstream of the area to be protected or of another system for hydraulically removing the water from said wall. The distance between each drainage well (6) can be relatively large. The invention is useful for protecting municipal grounds from pollution, for insulating building foundations and for storing nuclear waste in vertical storage wells.

Le dispositif de mur drainant permet d'empêcher les écoulements hydrauliques dans un sol de pénétrer dans une zone souterraine ou terrestre (11). Il est constitué principalement de puits drainants (6) reliés à leurs extrémités par une galerie de drainage et d'équilibrage (8). L'ensemble est placé en vis-à-vis de l'écoulement souterrain de l'eau (10) et complété d'une galerie axiale de drainage (13) pour acheminer les écoulements collectés jusqu'à l'aval de la zone à protéger ou d'un autre système pour décharger hydrauliquement le mur. L'espace entre chaque puits drainant (6) peut être relativement important. Application à la protection de la pollution de sols urbains, à l'isolement des fondations d'immeubles et au stockage des déchets nucléaires en puits de stockage verticaux.

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