Drainage mat

Details Drainage mat Drainage mat

1983-03-31

1987-05-05

Novosad, Stephen J.

Road structure, process, or apparatus

Pavement

Modules or blocks

404 44, 405 50, 428 86, 428 95, 521695, 210484, 210486, 210170, E01C 520

Patent

active

046627782

ABSTRACT:
Drainage mat comprising three-dimensional openwork covered on at least a major surface with a water permeable fabric having a permittivity from 0.2 seconds.sup.-1 to 2.0 seconds.sup.-1 and exhibiting a dynamic permeability after 10.sup.6 loadings of at least 10.sup.-4 centimeters per second.

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Dempsey, B. J., "Climatic Effects on Airport Pavement Systems State of the Art", Report No. FAA-RD-75-196 (NTIS No. AD/A-029, 422), Jun. 1976.
Copeland, J. A., "Fabrics in Subdrains: Mechanisms of Filtration and the Measurement of Permeability", Transportation Research Report 80-2, Jan. 1980, pp. 97-104.
Mitsui Petrochemical Industries--Product Bulletin: "CULDRAIN".
Nylex Product Bulletins: "STRIPDRAIN" and CORDRAIN.
American Enka Company--Product Bulletin: "ENKADRAIN".
Civil Engineering, Suppl. Mar. 1981, London "The Trammel Drainage System" pp. 24-26, (p. 25).
Civel Engineering--A SCE, vol. 46, No. 3, Mr. 1976, "Plastic Filter Fabrics . . . " pp. 57-59, (p. 58).

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