E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
E02D 17/00 (2006.01) B09B 1/00 (2006.01) B28C 1/00 (2006.01) C04B 14/00 (2006.01) C09K 17/00 (2006.01) E02D 31/00 (2006.01)
Patent
CA 2696845
A method of improving hydraulic performance of clay comprising its modification by the addition to the clay of a silica component containing free silica or a siliceous material. The clay is advantageously a swelling sodium bentonite clay with smectite content greater than 70 wt%. The modified clay may be employed in geosynthetic clay liners used for the containment of strong alkaline solutions as well as other barrier systems.
L'invention concerne un procédé d'amélioration de la performance hydraulique d'une argile, comprenant sa modification par l'addition à l'argile d'un composant silice contenant de la silice libre ou une matière siliceuse. L'argile est avantageusement une argile de bentonite de sodium capable de gonfler avec une teneur en smectite supérieure à 70 % en poids. L'argile modifiée peut être employée dans des revêtements d'argile géosynthétiques utilisés pour le confinement de solutions fortement alcalines, ainsi que dans d'autres systèmes de barrière.
Elco Solutions Pty Ltd
Gowling Lafleur Henderson Llp
LandOfFree
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