B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 24/22 (2006.01)
Patent
CA 2281615
The invention concerns a method for making a filter bottom for water treatment comprising a structure (10) consisting of beams or posts supporting a slab (9) provided with a plurality of openings for receiving screen water filters (11). The invention is characterised in that it consists in carrying out the concreting of said structure and slab directly in the filter casing, the shaping of said structure and the lower part of the slab resulting from one and only permanent form model (4).
Procédé de réalisation d'un plancher de filtre pour le traitement des eaux comportant une structure (10) constituée de poutres ou de poteaux supportant une dalle (9) pourvue d'une pluralité d'orifices destinés à recevoir des crépines (11) caractérisé en ce que l'on réalise le coulage du béton de ladite structure et de la dalle directement dans le cuvelage du filtre, la conformation de ladite structure et de la partie inférieure de la dalle étant obtenue par un seul et unique modèle de coffrage perdu (4).
Motte Alain
Perrin Didier
Degremont
Goudreau Gage Dubuc
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