Method and apparatus for positioning diaphragms in vertical slot

Details Method and apparatus for positioning diaphragms in vertical slot Method and apparatus for positioning diaphragms in vertical slot

1985-08-22

1987-09-01

Husar, Cornelius J.

Hydraulic and earth engineering

Earth treatment or control

Chemical

405258, E02D 520

Patent

active

046905901

ABSTRACT:
To reduce the shearing resistance at the surfaces of the diaphragm, and to decrease the buoyancy force, both of which greatly hamper the positioning of diaphragms or thin sheets in slotted wall suspensions, air bubbles are introduced at the bottom end of the diaphragm during the positioning process. These air bubbles ascend along the vertical surfaces of the diaphragm.

REFERENCES:
patent: 961788 (1910-06-01), Moran
patent: 2354936 (1944-08-01), Bignell
patent: 3645101 (1972-02-01), Sherard
patent: 4249836 (1981-02-01), Schmednecht
patent: 4320989 (1982-03-01), Mamo
patent: 4519729 (1985-05-01), Clarke

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