Polymer Effects on the Vibration Damping Behavior of Cement
Publication: Journal of Materials in Civil Engineering
Volume 15, Issue 6
Abstract
In this paper, the vibration damping properties of polymer-modified-cement (PMC) have been studied. The storage modulus and loss tangent of PMC were studied by using a free vibration method. The propagation velocity of stress wave and the scattered damping of stress wave in PMC were studied by using an ultrasonic testing method. When a suitable polymer is added in the cement, the storage modulus, the velocity of stress waves are decreased with an increase of the polymer/cement ratio (P/C), and the loss tangent is increased with an increase of P/C, thus the ability to vibration damping of PMC is improved. As the P/C is between 15 and 20%, the PMC demonstrates the best vibration damping within the adopted range of testing.
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Copyright © 2003 American Society of Civil Engineers.
History
Received: Feb 20, 2002
Accepted: Aug 8, 2002
Published online: Nov 14, 2003
Published in print: Dec 2003
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