October 9 - October 13, 2017

Recent research indicates that paraffin wax may be key to creating concrete roadways that deice themselves. Will developments like this eventually lead to the elimination of road salts?

Answers Votes
No. 67%
Yes. 26%
Other (please explain in the comments section). 7%

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Tagged categories: Chlorides; concrete; Program/Project Management; Salt exposure

Comment from Fred Goodwin, (10/9/2017, 8:40 AM)

keeping water out of concrete solves most deterioration problems after the concrete has cured, however concern with paraffin wax on pavements is change of coefficient of friction which is related to stopping distance. Other hydrophobic additives may work to keep water out of concrete without introducing this issue.

Comment from Tom Schwerdt, (10/12/2017, 3:15 PM)

Fred, The traditional method of sealing concrete road surfaces was linseed oil with sand scattered on top of it. More recently silane treatments have been used.

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