Determination of Mechanical Properties of Cement Asphalt Mortar via UPV Method
Publication: Journal of Materials in Civil Engineering
Volume 26, Issue 6
Abstract
To determine the mechanical properties of cement asphalt mortar (CAM) in the field, this contribution first presents a model to elaborate the relationship of strength to ultrasonic pulse velocity (UPV). Next, a mechanical test (compressive, flexural strength, and static modulus) and a UPV test are conducted on CAM at different ages to calibrate the proposed model. Finally, three fitted formulas are established based on the proposed model and verified with additional test results. Results suggest that a UPV test is a helpful method for estimating the mechanical properties of CAM in the field and can reach a high precision.
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Acknowledgments
The authors gratefully acknowledge the financial support of the Scientific Research and Development Program of the Ministry of Railways (Grant 2008G031-F-01), Open Foundation from the State Key Laboratory of High Performance Engineering Materials (Grant 2010CEM001), and the National Natural Science Foundation of China (Grant U1134206).
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Information
Published In
Journal of Materials in Civil Engineering
Volume 26 • Issue 6 • June 2014
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Apr 18, 2013
Accepted: Sep 9, 2013
Published online: Sep 11, 2013
Published in print: Jun 1, 2014
Discussion open until: Aug 13, 2014
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