Corrosion protection system for a construction including a...

Details Corrosion protection system for a construction including a... Corrosion protection system for a construction including a...

2004-11-12

2010-10-19

Hartmann, Gary S (Department: 3671)

Bridges

Suspension

Cables and cable clamps

Reexamination Certificate

active

07814600

ABSTRACT:
The invention relates to a corrosion protection system for a stay cable construction including a multiplicity of tension members made of parallel steel tensile elements, extending between a first anchorage and a second anchorage, and comprising two opposite ends, the first end co-operating with the first anchorage and the said second end co-operating with the second anchorage. The corrosion protection system involves the use of tensile elements which are not provided with a permanent corrosion protection during their fabrication. This corrosion protection system includes: a plurality of stay pipes, each freely surrounding a tension member made of unprotected tensile elements, a dehumidification device which produces dry air, supply pipes supplying the dry air to predetermined points situated on the first anchorage, the second anchorage, and the stay pipes, a ventilation device pushes the dry air in the supply pipes, surveying, measuring, controlling and testing facilities.

REFERENCES:
patent: 4856254 (1989-08-01), Jungwirth
patent: 7200886 (2007-04-01), Nuetzel et al.
patent: 19710170 (1988-09-01), None
patent: 3723795 (1988-12-01), None
patent: 2178046 (2002-01-01), None
patent: WO 88/09847 (1988-12-01), None
patent: 2004057112 (2004-07-01), None

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