Hydro-surface Preparation and Coating for Painted Structural Steel

Released on by Mark Nahra
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  • Hydro-surface Preparation and Coating for Painted Structural Steel Book Detail

  • Author : Mark Nahra
  • Release Date : 1999
  • Publisher :
  • Genre : Bridges
  • Pages : 19
  • ISBN 13 :
  • File Size : 15,15 MB
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Hydro-surface Preparation and Coating for Painted Structural Steel by Mark Nahra PDF Summary

Book Description: Cities and counties in Iowa have more than 8,890 steel bridges, most of which are painted with red lead paint. The Iowa Department of Transportation (Iowa DOT) maintains less than 35 bridges coated with red lead paint, including seven of the large border bridges over the Mississippi and Missouri Rivers. Because of the federal and state regulations for bridge painting, many governmental agencies have opted not to repaint, or otherwise maintain, lead paint coatings. Consequently, the paint condition on many of these bridges is poor, and some bridges are experiencing severe rusting of structural members. This research project was developed with two objectives: 1) to evaluate the effectiveness of preparing the structural steel surface of a bridge with high pressure water jetting instead of abrasive blasting and 2) to coat the structural steel surface with a moisture-cured polyurethane paint under different surface preparation conditions.

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