Geocomposite capillary barrier drain

Details Geocomposite capillary barrier drain Geocomposite capillary barrier drain

1998-08-14

2000-11-28

Lillis, Eileen D.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

405 52, 405129, 588259, 210170, 210747, B09B 100, G21F 900

Patent

active

061526533

ABSTRACT:
A geotechnical structure that includes a first body of soil having a first unsaturated concentration of moisture. There is also a second body of soil, which includes a second unsaturated concentration of moisture that is different from the first concentration. A moisture barrier is interposed between the first body of soil and the second body of soil. The moisture barrier includes an upper and lower layer that draw water laterally. A medial capillary barrier layer prevents traverse moisture migration between the first and second bodies of soil. Moisture migration both upwardly and downwardly is thus prevented, and water in the first and second bodies of unsaturated soil is drained laterally to reduce pore water pressures in the first and second bodies of soil.

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