E - Fixed Constructions – 02 – B
Patent
E - Fixed Constructions
02
B
E02B 7/06 (2006.01) E02D 19/18 (2006.01)
Patent
CA 2189329
A trench (18) is excavated from the top surface of an earthen dike (10), all the way down to the foundation below the base of the dike. Dry powder, partially hydrolyzed polyacrylamide (PHPA) is mixed with fresh water and soda ash in proportions of 20 pounds PHPA to 4 pounds soda ash to 68 barrels (2856 gallons) fresh water to form a slurry (40) having a funnel viscosity of at least 45 seconds/quart. As the trench is being excavated, the slurry is pumped into the trench immediately, A section of geo-membrane (20) having a thickness of 0.080 inch is placed in the trench all the way to the bottom of the trench overlapping at the top of the membrane onto the top surface (11) of the dike. Dry sand (42) is then pumped into the trench to displace the slurry in the trench.
On creuse une tranchée (18) au sommet d'une digue de terre (10) jusqu'au niveau des fondations, sous sa base. On mélange de la poudre sèche de polyacrylamide partiellement hydrolysée (PHPA) à de l'eau et à de la soude calcinée à raison de 20 livres de PHPA pour 4 livres de soude calcinée et de 2856 gallons d'eau, de façon à former une boue (40) présentant une viscosité gravimétrique d'au moins 45 secondes/quart. La boue est pompée dans la tranchée sitôt après sont excavation, puis une géo-membrane (20) d'une épaisseur d'au moins 0,08 pouce est placée dans la tranchée jusqu'au fond, sa partie supérieure débordant sur la surface (11) du sommet de la digue. On pompe finalement dans la tranchée du sable sec (42) pour y déplacer la boue.
Baroid Technology Inc.
Halliburton Energy Services Inc.
Kirby Eades Gale Baker
LandOfFree
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