Bedeviled Bridges: An Answer to a National Scandal

From JPCL, May 2017

By Dr. Mike O’Donoghue and Vijay Datta, International Paint LLC, and
Glenn Hollins, Vision Integrity Engineering Ltd

The authors explore the performance of a high-ratio calcium sulfonate alkyd coating to a landmark bridge....


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Tagged categories: Bridges; Coating Materials; Coating performance; Coating selection; High ratio calcium sulfonate alkyd (HRCSA); Infrastructure; Mike O'Donoghue; Performance testing; Site/field testing; Soluble salts; Vijay Datta

Comment from M. Halliwell, (5/30/2017, 11:54 AM)

Great article on a project I remember well. I think it would be interesting to compare the coating performance of the HRCSA system with the three-coat system used on the Dawson Bridge rehabilitation (1915 bridge downstream of the High Level Bridge) carried out approximately 7 years ago now.


Comment from Brian Elliott, (7/18/2017, 12:24 PM)

Interesting - I was riding across the pedestrian path of the High Level bridge two weeks ago and witnessed many areas of complete coating disbondment / missing coating. I'd be glad to share pictures of this.


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