Liner joining system and method

Details Liner joining system and method Liner joining system and method

1993-08-11

1995-06-13

Reese, Randolph A.

Hydraulic and earth engineering

Earth treatment or control

Chemical

405129, E02D 2900

Patent

active

054236371

ABSTRACT:
A cutoff wall liner joining method includes the steps of: (1) excavating a slurry trench; (2) positioning a first layer of liner material within the excavated trench; (3) positioning two pipes adjacent to the liner material in such a manner as to form a substantially S-shaped configuration of the liner material around the pipes; (4) back filling a portion of the trench adjacent a first one of the pipes; (5) removing the other, second one of the pipes; (6) excavating an additional portion of trench extending away from the back filled portion; (7) positioning a second layer of liner material within the newly excavated portion to form a overlapping portion of liner material; (8) positioning a pipe adjacent to the remaining pipe in the trench such that it overlays the overlapping portion of liner material, then positioning a third pipe in the excavated additional trench portion; (9) back filling a portion of the trench adjacent the third pipe; (10) removing the third pipe; (11) back filling the space left by the third pipe; and then (12 ) removing the two remaining pipes, back filling the space left by each pipe as it is removed.

REFERENCES:
patent: 3224205 (1965-12-01), Greiner et al.
patent: 4673316 (1987-06-01), Nussbaumer et al.
patent: 4741644 (1988-05-01), Cavalli et al.
patent: 5066353 (1991-11-01), Bourdo
patent: 5076726 (1991-12-01), Heath

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