Tufted geosynthetic clay liner and method of manufacture...

Details Tufted geosynthetic clay liner and method of manufacture... Tufted geosynthetic clay liner and method of manufacture...

E - Fixed Constructions

02

B

E02B 3/00 (2006.01) B32B 7/08 (2006.01) E02B 3/12 (2006.01) E02D 17/20 (2006.01) E02D 31/00 (2006.01)

Patent

CA 2113591

A geosynthetic clay liner is disclosed for providing barriers in landfills that substantially preclude the migration of liquids. The geosynthetic clay liner includes a layer of bentonite disposed between a primary carrier sheet and a cover sheet. The primary carrier sheet and the cover sheet are linked via plurality of tufting threads. A bight or loop portion of the tufting thread extends through to the undersurface of the lower or primary carrier sheet and is partially melted to prevent the bight portion from slipping back through. the primary carrier sheet. The partially melted bight portions create an under surface with a high coefficient of friction thereby enabling the geosynthetic clay liner to be installed on steep slopes or banks of landfills or ponds.

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