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51318-10558-Corrosion Protection of Reinforced Concrete Columns and Piles in a Marine Environment

This paper discusses options available to rehabilitate, extend the service life and strengthen damaged columns and piles in marine environments.

Product Number: 51318-10558-SG
Author: David Whitmore
Publication Date: 2018
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$20.00
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Reinforced concrete columns and piles in marine environments are at risk of corrosion due to long term exposure to chlorides, oxygen and water.

Galvanic cathodic protection jackets are a practical and cost-effective option to extend the service life of corroding piles and columns even if the structure has suffered significant concrete damage or if structural strengthening is required.

Galvanic cathodic protection jackets are especially beneficial when repairing load bearing members such as bridge columns or marine piles where excavation around and behind the ties and the vertical reinforcing without shoring could result in instability or failure of the structure. When using a cathodic protection jacket only the damaged concrete needs to be removed. The remaining chloride contaminated concrete can be left in-situ and protected from corrosion by incorporating a galvanic or impressed current cathodic protection system into the jacket.

This paper discusses options available to rehabilitate, extend the service life and strengthen damaged columns and piles in marine environments. Project case studies illustrate the use and performance of these techniques in the field.

Reinforced concrete columns and piles in marine environments are at risk of corrosion due to long term exposure to chlorides, oxygen and water.

Galvanic cathodic protection jackets are a practical and cost-effective option to extend the service life of corroding piles and columns even if the structure has suffered significant concrete damage or if structural strengthening is required.

Galvanic cathodic protection jackets are especially beneficial when repairing load bearing members such as bridge columns or marine piles where excavation around and behind the ties and the vertical reinforcing without shoring could result in instability or failure of the structure. When using a cathodic protection jacket only the damaged concrete needs to be removed. The remaining chloride contaminated concrete can be left in-situ and protected from corrosion by incorporating a galvanic or impressed current cathodic protection system into the jacket.

This paper discusses options available to rehabilitate, extend the service life and strengthen damaged columns and piles in marine environments. Project case studies illustrate the use and performance of these techniques in the field.

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