Vertical drain

Details Vertical drain Vertical drain

1984-12-05

1986-11-11

Therkorn, Ernest G.

Liquid purification or separation

Structural installation

Geographic

210486, 210498, 405 45, 405 50, B01D 2904, E02B 1100

Patent

active

046221387

ABSTRACT:
A vertical drain for dewatering saturated, compressible soils. When stored and delivered the drain has a rectangular cross section and can be rolled on reels, but since the drain can be folded longitudinally the drain, when installed in the soil will expose not less than two sides in angle to each other towards the radial flow of water to the drain.
Each side consists of a band-formed core (2) with longitudinal and perpendicular channels (4 and 5) shaped by ridges (3) which are cut on certain distances and surrounded by a filter fabric (1).

REFERENCES:
patent: 2201628 (1940-05-01), McCormick
patent: 3263819 (1966-08-01), Schmidt
patent: 3358843 (1967-12-01), Bourdale
patent: 3441140 (1969-04-01), Thurber
patent: 3654765 (1972-04-01), Healy
patent: 3679058 (1972-07-01), Smith
patent: 3803777 (1974-04-01), Stewart
patent: 3965686 (1976-06-01), Saito
patent: 4057500 (1977-11-01), Wager

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