Internal Influence Factors of Asphalt-Aggregate Filler Interactions Based on Rheological Characteristics
Publication: Journal of Materials in Civil Engineering
Volume 24, Issue 12
Abstract
The interaction parameter K.Ziegel-B was used as an evaluation index to characterize asphalt-aggregate filler interactions. In this study of asphalt-aggregate filler interactions, the rheological properties of asphalt mastics using two kinds of asphalts and four kinds of aggregate powder under different filler concentrations were measured by a dynamic shear rheometer, the internal influence factors of asphalt-aggregate filler interactions were analyzed, and the significance of influence factors were sorted by using the variance analysis method. The research shows that filler concentration, asphalt components, silica content, and particle size of aggregate powder all have a certain regularity effect on asphalt-aggregate filler interactions. The variance analysis method reveals the contribution order of various influence factors on interactions, the contribution order from high to low are colloid and asphaltene, particle size of aggregate, silica content and filler concentration.
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Acknowledgments
This study was sponsored by the National Natural and Science Foundation (No. 51108138), the National Natural and Science Foundation (No. 51008099) and the Program for New Century Excellent Talents in University by Ministry of Education (NCET - 06- 0340).
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 24 • Issue 12 • December 2012
Pages: 1520 - 1528
Copyright
© 2012 American Society of Civil Engineers.
History
Received: Dec 23, 2010
Accepted: Feb 22, 2012
Published online: Feb 23, 2012
Published in print: Dec 1, 2012
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