Shape Memory Polymer-Based Sealant for a Compression Sealed Joint
Publication: Journal of Materials in Civil Engineering
Volume 27, Issue 6
Abstract
In this paper, the authors report a case study of synthesis, fabrication, programming, installation, and performance monitoring of a shape memory polymer (SMP) based smart sealant for compression sealed joint in a concrete pavement. Two types of SMPs were synthesized and SMP panels were fabricated. Panels made of one type of SMP were programmed by one-dimensional (1D) stress condition, and panels from the other type of SMP were programmed either by two-dimensional (2D) stress condition or by 1D stress condition, leading to a total of three types of programmed SMP panels. The programmed panels were then installed in two compression sealed joints on a service concrete pavement. The two joints have been monitored for over two years. No evidence of failure has been found.
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Acknowledgments
This work is funded by Transportation Research Board (TRB) and Louisiana Transportation Research Center (LTRC) under Grant No. NCHRP/IDEA-142. Dr. Inam Jawed is the TRB program manager, and Dr. Walid Alaywan is the LTRC project manager. The assistance by the Facility Service at Louisiana State University for providing the test road is greatly appreciated. The contents of this paper reflect the views of the authors, who are responsible for the facts and the accuracy of the data presented herein. The contents do not necessarily reflect the views or policies of the funding agencies.
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Published In
Journal of Materials in Civil Engineering
Volume 27 • Issue 6 • June 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Mar 15, 2014
Accepted: Jun 25, 2014
Published online: Aug 18, 2014
Discussion open until: Jan 18, 2015
Published in print: Jun 1, 2015
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