Hydrophobic material used for drainage of culvert

Details Hydrophobic material used for drainage of culvert Hydrophobic material used for drainage of culvert

1989-08-09

1991-03-26

Taylor, Dennis L.

Hydraulic and earth engineering

Drainage or irrigation

405 45, 405 50, E02B 1100, E02D 310

Patent

active

050024272

ABSTRACT:
A hydrophobic material used in the construction of a culver for improving the drainage of the culvert. The hydrophobic material comprises a textile or knit fabric, preferably biodegradable, having large and small mesh portions. A soil-aggregating agent is adhered to the small mesh portions of the textile or knit fabric. The hydrophobic material can be coated with a water soluble film to prevent the soil-aggregating agent from being removed during construction or handling.
The hydrophobic material used for the drainage of a culvert is capable of keeping the water-penetrating property of the culvert for a long time.

REFERENCES:
patent: 2316721 (1943-04-01), Schwartz
patent: 3276597 (1966-10-01), Mesek et al.
patent: 3441140 (1969-04-01), Thurber
patent: 3830067 (1974-08-01), Osborn et al.
patent: 3928979 (1975-12-01), Terashima et al.
patent: 4301620 (1981-11-01), Koslow et al.
patent: 4752402 (1988-06-01), Gray

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