Hydraulic and earth engineering – Means to expose a normally wetted surface,e.g. – cofferdam – etc. – Having transport – placement – or dislodgement means
Patent
1981-08-26
1983-06-07
Corbin, David H.
Hydraulic and earth engineering
Means to expose a normally wetted surface,e.g., cofferdam, etc.
Having transport, placement, or dislodgement means
405 14, 405203, 405228, E02D 1904, E02D 2302
Patent
active
043868720
ABSTRACT:
A method and assembly for temporarily isolating an area within a waterway preparatory to dredging in order to prevent disturbed sediment from spreading throughout said waterway. A plurality of spaced support column assemblies are lowered from a barge outer hull into soil forming a periphery of the area to be dredged. A separate side panel member is then lowered between each pair of support columns and water is then removed from an area completely encircled by the side panel members and support column assemblies before the area is dredged. After dredging operations are completed within the area, water is then reintroduced into the area and the side panels and support columns are withdrawn.
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Corbin David H.
Hollis Darrell E.
Pistel Nancy J.
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