Controlling the environment around a submerged pile or other str

Details Controlling the environment around a submerged pile or other str Controlling the environment around a submerged pile or other str

1992-02-04

1993-07-13

Corbin, David H.

Hydraulic and earth engineering

Marine structure or fabrication thereof

Structure protection

405216, E02B 1700

Patent

active

052267512

ABSTRACT:
A process and apparatus for creating a controlled environment about a portion of a submerged pile to be treated comprises a jacket fitted about the pile and sealed at both the top and bottom ends relative to the pile to provide a sealed encapsulated space. The jacket includes at least two sections having arcuate cross sections that are fastened together to provide a substantially cylindrical jacket. Compressed air is forced downward into the encapsulated space through one or more upper valves and encapsulated water is forced out through one or more lower valves. Further air flow dries the encapsulated space. Desired coatings, for example, rust inhibitors, epoxies, are introduced into the encapsulated space through the lower valve and the displaced air, excess coatings and chemical by-products are vented and recovered for disposal through the upper valve. The temperature inside the encapsulated space is also controlled.

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