Experimental Study of the Application of Polyurethane Products in Accelerated Construction of Innovative Noise Barrier
Publication: Journal of Materials in Civil Engineering
Volume 28, Issue 7
Abstract
This paper presents a comprehensive experimental study on mechanical characteristics of rigid polyurethane foam (RPF) and its application as the structural core of an innovative noise barrier consisting of polyblock, RPF, and polyurea. The mechanical behavior of RPF was characterized by performing tensile, compression, modulus of elasticity, Poisson’s ratio, flexural, shear, pullout, cyclic, and long-term creep tests. Five full-scale walls were also fabricated and their behavior was established under lateral static and cyclic loading. Applicability of the proposed wall system (polywall) in accelerated construction was practically examined. Experimental results were discussed and a preliminary design of polywall was also conducted. Results revealed that mechanical performance of RPF as well as the entire wall system is satisfactory for the investigated application and polywall can be employed in accelerated construction of noise barriers.
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Acknowledgments
The authors would like to thank POLY-MOR Canada Inc. for supplying all required materials and technology for this research, their assistance to build the specimens as well as their financial support. The authors also appreciate the financial support of Natural Sciences and Engineering Research Council (NSERC) of Canada.
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Published In
Journal of Materials in Civil Engineering
Volume 28 • Issue 7 • July 2016
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Jul 27, 2015
Accepted: Nov 2, 2015
Published online: Jan 27, 2016
Discussion open until: Jun 27, 2016
Published in print: Jul 1, 2016
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