Bulkhead for and method for dry isolation of dam gates

Details Bulkhead for and method for dry isolation of dam gates Bulkhead for and method for dry isolation of dam gates

1995-08-10

1997-06-03

Graysay, Tamara L.

Hydraulic and earth engineering

Fluid control, treatment, or containment

Flow control

405 80, 405107, 405111, E02B 310, E02B 740

Patent

active

056347421

ABSTRACT:
A bulkhead for dry isolation of dam gates, the bulkhead comprising a plurty of tubular log members bound together to form a platform assembly adapted to float in a horizontal attitude on a water body surface. Water and air conduits are in communication with one or more of the log members to cause the platform selectively to move between the horizontal attitude and a vertical attitude in the water body, and selectively to reduce and increase buoyancy of the platform. A conduit and valve is disposed in one of the log members for selectively permitting flow of water from the water body through the bulkhead. The invention further comprises a method for isolating a dam gate from an adjacent body of water.

REFERENCES:
patent: 1858664 (1932-05-01), Friedel
patent: 2966778 (1961-01-01), Quirin
patent: 3335572 (1967-08-01), Tsujioka
patent: 4729692 (1988-03-01), Tucker

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