Properties of Modified Asphalt Binders Blended with Electronic Waste Powders
Publication: Journal of Materials in Civil Engineering
Volume 24, Issue 10
Abstract
This study was intended to successfully implement asphalt binders modified with electronic waste (e-waste) from recycled computer plastics to improve asphalt binder performance versus conventional asphalt binders. The e-waste powder percentages blended with asphalt binders were 2.5, 5, and 15%, respectively. Rotational viscosity, dynamic shear rheometer testing, and bending beam rheometer testing was conducted upon modified and virgin asphalt binder samples. The addition of e-waste powders increased binder viscosity and blending and mixing temperatures and decreased rutting susceptibility versus virgin asphalt binders, and lower percentages of e-waste powders modified asphalt binders resulted in similar -values at the specified low temperature grade of the control asphalt binder.
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Acknowledgments
This material is based in part upon work supported by the National Science Foundation under grants 0936726. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation. The authors wish to acknowledge the assistance of Dr. Jiann-Yang (Jim) Hwang who helped provide the facilities for processing the e-waste powders in the Michigan Technological University Institute of Materials Processing. Also the authors wish to acknowledge Professor Yadong Li, Mr. Julian-Mills Beale, and Mr. Shu Wei Goh for their input to this project. The experimental work was completed in the Transportation Materials Research Center at Michigan Technological University.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 24 • Issue 10 • October 2012
Pages: 1261 - 1267
Copyright
© 2012 American Society of Civil Engineers.
History
Received: Jun 8, 2011
Accepted: Feb 17, 2012
Published online: Feb 21, 2012
Published in print: Oct 1, 2012
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