Hydraulic and earth engineering – Soil remediation – In situ contaminant removal or stabilization
Patent
1984-03-23
1986-12-30
Taylor, Dennis L.
Hydraulic and earth engineering
Soil remediation
In situ contaminant removal or stabilization
52594, 405 52, E02C 300
Patent
active
046326022
ABSTRACT:
The floor under a chemical dump site is formed from a plurality of floor elements sealed with respect to each other by grouting material. Each floor element includes a male rib on one side and a female groove on the other side. The male rib has a dovetail geometry which is complementary to the geometry of the female groove. The male and female parts are adapted to mate and lock when the male rib slides longitudinally into the female groove thereby locking adjacent floor members to each other. The floor members are driven one behind the other in a string under the dump site. The male rib of one string engages the female groove of the next adjacent string until a floor of interlocking element strings is formed. Each floor member includes a hollow central channel running from end to end and a plurality of smaller apertures communicating the central channel with the vicinity of the male/female connection. Grouting material under pressure pumped into the central channel passes out through the apertures and into the vicinity of the male/female connection thereby sealing adjacent elements with respect to each other and forming a liquid impervious floor under the dump site. The same technique can be used to form a wall around the periphery of the site.
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Taylor Dennis L.
Woodbridge Richard C.
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