City of Astoria Waterfront Bridges
Proactive cathodic protection of new bridge piles and pile caps in a marine environment
Yes! We get that question a lot!
Protecting your structure at the beginning of construction can save you money by providing long-lasting, cost-effective protection against corrosion, which can prevent the need for expensive repairs or replacements in the future.
Galvanic anodes can be used over a large area to provide global protection or used selectively in areas of high corrosion risk.
How does it work?
Once attached to the steel and embedded in concrete, the anodes begin passing a current onto the reinforcing steel. This current will accumulate over time to create a double-layered defense:
- While the anode is active, it generates alkalinity while repelling chlorides, which creates a buffer zone around the steel.
- The second defensive layer is made by attracting other ions to fill the voids where corrosion can initiate. These ions stay in place as a residual protective layer even after the anodes are consumed.
The net effect is a significant increase to the steel’s tolerance to chloride, making it theoretically immune to corrosion for decades.
Watch George Sergi's latest webinar on protecting new construction with galvanic anodes
Take a look at these new construction projects that have benefited from the installation of Galvashield® N, XP, and DAS products.
Ready to get ahead of corrosion? Contact your Vector Rep today to learn how our Galvashield® product line can provide long-lasting, cost-effective protection, saving you time and money down the line. Don’t wait until it's too late!
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