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Posts Tagged ‘Corrosion On Ships’

Hybrid Corrosion Protection Systems for Prestressed Concrete Bridges

Hybrid Corrosion Protection

Many reinforced concrete structures like prestressed concrete bridges can suffer from corrosion damage. Causes include salt ingress from the application of de-icing salts during winter maintenance, exposure to marine environments and carbonation of the concrete. TRADITIONAL CORROSION PREVENTION METHODS FOR CONCRETE Corrosion is an electrochemical process and the use of electrochemical technology treatments is a…

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Cathodic Protection below the waterline (ship hulls)

Cathodic protection

In this post we take a “deep dive” into cathodic protection below the waterline. Primarily regarding the hull of ships and vessels. It is almost impossible to cathodically protect a hull that is not coated, due to protection current requirements and current distribution. In addition to this, there must be an electrically insulating layer between…

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Corrosion Pa Hamnspont, Cast Crowned Beam

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Steel pontoon in quay Initially, it is possible to stop or delay the progress of corrosion on both new and older protective objects. Steel pontoons in berths are effectively protected by cathodic corrosion protection. On the west coast and in the Baltic, sacrificial anodes are usually used. North of Gävle, corrosion protection with applied current…

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