Elongated bendable drainage mat

Details Elongated bendable drainage mat Elongated bendable drainage mat

1983-03-31

1986-02-25

Novosad, Stephen J.

Road structure, process, or apparatus

Pavement

Modules or blocks

404 66, 428 86, 428 95, 405 45, 521695, 210486, E01C 908, E01C 1110

Patent

active

045727007

ABSTRACT:
Elongated, bendable drainage mat having a rectangular transverse cross section and comprising a polymeric core having a plurality of substantially rigid fingers extending from one side of a layer and an enveloping water permeable fabric having a permittivity from 0.2 seconds.sup.-1 to 2.0 seconds.sup.-1 and a dynamic permeability after 10.sup.6 loadings of at least 10.sup.-4 centimeters per second.
Apparatus and systems using such drainage mat.

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Civil Engineering, Suppl. Mar. 1981, London, "The Trammel Drainage System", pp. 24-26, (p. 25).
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