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Dr. N. Subramanian General Sponsor
Joined: 21 Feb 2008 Posts: 5538 Location: Gaithersburg, MD, U.S.A.
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Posted: Fri Jun 17, 2011 6:20 pm Post subject: Additive Increases Life, Lowers Costs Of Concrete Bridge Dec |
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Additive Increases Life, Lowers Costs Of Concrete Bridge Decks
ScienceDaily (Jan. 29, 1999) — University Park, Pa. -- Penn State researchers have found that a commercially available additive can potentially double the life and lower the long term costs of concrete bridge decks by enhancing resistance to water, corrosion and deicing salt.
The paper, "Influence of Alkaline Earth Silicate Admixture on Durability of Pennsylvania Turnpike Bridges," was presented Jan. 11 at the annual meeting of the Transportation Research Board (TRB) in Washington, D. C. The TRB is also distributing the paper nationally to all state highway departments.
The additive is a proprietary mixture of alkali earth silicates, calcium and nitrates tradenamed, Ipanex. The additive has been manufactured by IPA Systems, Phila., since 1972. IPA and The Pennsylvania Turnpike Commission funded the study which was conducted in cooperation with Penn State's Pennsylvania Transportation Institute.
Read more at:http://www.sciencedaily.com/releases/1999/01/990129073611.htm |
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