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Evaluation of Surface Preparation Methods to Remediate Chlorides

Evaluation of Surface Preparation Methods to Remediate Chlorides
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The most commonly accepted way to protect structural steel on bridges is with liquid applied coatings (paint). The current life expectancy for field-applied protective coatings (maintenance painting) is about 20 years in snow/ice and marine areas. Most bridge owners use a remove-and replace strategy for maintenance painting, with unit costs usually in excess of $10.00 per ft. The cost of maintaining a protective coating during the service life of a bridge may approach the bridge’s original construction costs. 

Product Number: 51217-056-SG
Author: Bobby Meade, Greenman-Pedersen, Michael Baase
Publication Date: 2017
Industries: Corrosion Monitoring and Control , Coatings
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$20.00
$20.00

The most commonly accepted way to protect structural steel on bridges is with liquid applied coatings (paint). The current life expectancy for field-applied protective coatings (maintenance painting) is about 20 years in snow/ice and marine areas. Most bridge owners use a remove-and replace strategy for maintenance painting, with unit costs usually in excess of $10.00 per ft. The cost of maintaining a protective coating during the service life of a bridge may approach the bridge’s original construction costs. Extending the service life of protective bridge coatings is critical for maintenance managers given that funding is becoming more limited.

The most commonly accepted way to protect structural steel on bridges is with liquid applied coatings (paint). The current life expectancy for field-applied protective coatings (maintenance painting) is about 20 years in snow/ice and marine areas. Most bridge owners use a remove-and replace strategy for maintenance painting, with unit costs usually in excess of $10.00 per ft. The cost of maintaining a protective coating during the service life of a bridge may approach the bridge’s original construction costs. Extending the service life of protective bridge coatings is critical for maintenance managers given that funding is becoming more limited.

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