Methods of hazardous waste containment
A method is described of producing a subterranean containment system for preventing the lateral migration of fluid contaminants located over a fluid impermeable strata, comprising the following steps: (a) making an excavation around the area to be contained of a sufficient depth to communicate with the fluid impermeable strata under the contaminants; (b) forming a fluid impermeable barrier wall around the contaminants by connecting together a series of barrier members and placing them within the excavation with the bottom portions of the barrier members in scaling communication with the fluid impermeable strata and sealing the barrier members to form the fluid impermeable barrier wall, including: (i) providing a guide box having at least one longitudinal slot formed therein, (ii) placing the guide box in the excavation, (iii) inserting a first elongated barrier member in the longitudinal slot formed in the guide box, (iv) slidingly engaging and connecting together a second elongated barrier member to the first elongated barrier member, and (v) removing the guide box from the excavation; inserting an additional, third barrier member into a longitudinal slot formed in a guide box and engaging it with and connecting it to the second barrier member and including the further sub-steps of (i) providing a second guide box having more than one longitudinal slot formed therein; (ii) placing an additional barrier member into one of the longitudinal slots of the second guide box and engaging it with and connecting it to the third barrier member; (iii) placing other barrier members into any remaining slots, and (iv) lifting the second guide box out of the excavation and leaving the engaged barrier members in the excavation; and (c) filling the excavation with backfill or other material and containing the contaminated area with the fluid impermeable barrier wall working in conjunction with the underlying impermeable strata.
- Assignee:
- IMS; EDB-93-136751
- Patent Number(s):
- US 5240348; A
- Application Number:
- PPN: US 7-831555
- OSTI ID:
- 6122421
- Resource Relation:
- Patent File Date: 5 Feb 1992
- Country of Publication:
- United States
- Language:
- English
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