Bridges

Bridges

Protecting Steel Bridges The Norwegian Public Roads Administration (NPRA) has been using zinc thermal spray with a paint topcoat (duplex coating) for corrosion protection of steel bridges since the 1960s. They consider this coating strategy to be a major success and...
Cathodic Protection of Concrete

Cathodic Protection of Concrete

Cathodic Protection of Reinforced Concrete The Oregon Department of Transportation (ODOT), in order to save iconic reinforced concrete bridges built in the 1930s and reduce the high costs of bridge reconstruction, has successfully applied impressed current cathodic...