Covering for waste depositories

Details Covering for waste depositories Covering for waste depositories

1985-12-06

1988-09-06

Corbin, David H.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

405 50, B09B 100

Patent

active

047688971

ABSTRACT:
A multilayer plate for use in covering waste depositories comprises at least one drainage layer and a filter stabilization layer, the drainage layer serving to facilitate or enable the removal of water seeping downwardly from the surface of the depository covering or gases rising from the depository body. The filter stabilization layer comprises a fabric web, while the drainage layer includes a plastic grid. The plate is prefabricated and is of sufficient flexibility to be wound upon a roll for transport to a depository site. In one form, the prefabricated plate also includes a synthetic resin barrier layer which, upon installation of the plate, blocks the passage of water from above and the passage of gases from below.

REFERENCES:
patent: 1401386 (1921-12-01), Woodberry
patent: 3563038 (1971-02-01), Hearly et al.
patent: 4166709 (1979-09-01), Valiga
patent: 4194855 (1980-03-01), Egger
patent: 4480943 (1984-11-01), Levenberger
patent: 4483641 (1984-11-01), Stoll
patent: 4572700 (1986-02-01), Mantarro et al.
patent: 4580925 (1986-04-01), Matich et al.
patent: 4622138 (1996-11-01), Wager

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