Underground continuous impervious wall and method for installing

Details Underground continuous impervious wall and method for installing Underground continuous impervious wall and method for installing

1988-05-19

1990-03-20

Reese, Randolph A.

Hydraulic and earth engineering

Earth treatment or control

Chemical

405266, 405270, E02D 520

Patent

active

049096745

ABSTRACT:
An underground continuous water-impervious wall is disclosed, which includes a water-impervious membrane to partition a trench and to prevent water from passing through the wall. The trench as formed in the ground has a narrow width. The impervious sheet is lowered into the trench to partition the trench longitudinally. A hardening material is charged against the opposite side surfaces of the impervious sheet in the trench and solidified, whereby a water-impervious wall is obtained, with the impervious sheet sandwiched between opposite side wall portions. The impervious sheet is disposed in the trench by lowering the sheet in the form of a roll, lowering the sheet pre-stretched between posts, or lowering a pleated sheet pre-packed in a sheet cartridge. Adjacent sheets are connected to each other by female and male fasteners.

REFERENCES:
patent: 3286435 (1963-07-01), Weinberger
patent: 3485413 (1969-12-01), Vestal
patent: 3759044 (1973-09-01), Caron et al.
patent: 3884355 (1975-05-01), Eriksson
patent: 4484835 (1984-11-01), van Klinken
patent: 4519729 (1985-05-01), Clarke, Jr. et al.
patent: 4582453 (1986-04-01), Ressi Di Cervia
patent: 4601615 (1986-07-01), Cavalli
patent: 4664560 (1987-05-01), Cortlever
patent: 4671705 (1987-06-01), Nussbaumer et al.

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