Abstract
Chlorides, in sufficient concentrations, will cause corrosion of steel reinforcement in bridge decks. Previous studies have shown that de-icing chemicals and practices used by the Kentucky Transportation Cabinet (KYTC) can result in problematic levels of chloride at steel reinforcing depths in a relatively short amount of time. With the advent of liquid applied pre-treatment deicing chemicals, testing performed in Kentucky indicate chloride levels in bridge decks at a depth of two inches have increased significantly.
Chlorides, in sufficient concentrations, will cause corrosion of steel reinforcement in bridge decks. Previous studies have shown that de-icing chemicals and practices used by the Kentucky Transportation Cabinet (KYTC) can result in problematic levels of chloride at steel reinforcing depths in a relatively short amount of time. With the advent of liquid applied pre-treatment deicing chemicals testing performed in Kentucky indicate chloride levels in bridge decks at a depth of two inches have increased significantly.
Key properties of concrete sealers are resistance to chloride migration into the concrete and good penetration of the sealer into the concrete. Depth of sealer penetration would help offset wheel path wear and enhance the durability of the treatment. However, when a concrete deck has minor cracking, the performance of penetrating sealers will be limited.
Recently several products have been promoted by manufacturers for potential use by the KYTC to seal bridge decks. The Kentucky Transportation Center (KTC) was asked to test and evaluate some of these products. For this study KTC focused on four of these products. The process included specimen preparation, application of material, testing, and evaluation.
Report Date
7-2017
Report Number
KTC-TA-17-04/KHIT2017-6-1F
Digital Object Identifier
http://dx.doi.org/10.13023/KTC.TA.2017.04
Repository Citation
Wells, Danny; Palle, Sudhir; and Hopwood, Theodore II, "Proposed Testing of Concrete Sealers" (2017). Kentucky Transportation Center Technical Assistance Report. 6.
https://uknowledge.uky.edu/ktc_technicalassistancereports/6
Notes
© 2017 University of Kentucky, Kentucky Transportation Center
Information may not be used, reproduced, or republished without KTC’s written consent.
The contents of this report reflect the views of the authors, who are responsible for the facts and accuracy of the data presented herein. The contents do not necessarily reflect the official views or policies of the University of Kentucky, the Kentucky Transportation Center, the Kentucky Transportation Cabinet, the United States Department of Transportation, or the Federal Highway Administration. This report does not constitute a standard, specification, or regulation. The inclusion of manufacturer names or trade names is for identification purposes and should not be considered an endorsement.