Hydraulic and earth engineering – Drainage or irrigation – Including subsurface moisture barrier
Patent
1978-04-17
1979-05-15
Shapiro, Jacob
Hydraulic and earth engineering
Drainage or irrigation
Including subsurface moisture barrier
E02B 1300
Patent
active
041545494
ABSTRACT:
Seepage of water through soil is considerably reduced by providing plural layers of adjacent, thin impermeable strips wherein the strips of an overlayer are staggered by a half strip's width with regard to the strips of the underlayer, and the widths of the strips are substantially greater than the gaps between adjacent strips and the space between layers.
REFERENCES:
patent: 3309875 (1967-03-01), Niederwemmer
patent: 3398542 (1968-08-01), Hansen et al.
Biran Giora
Sinai Gideon
Zaslavsky Dan
Shapiro Jacob
Technion Research & Development Foundation Ltd.
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