Performance of SBS-HMA Mixes Made with Sasobit and Zeolite
Publication: Journal of Materials in Civil Engineering
Volume 32, Issue 10
Abstract
Sasobit and zeolite warm additives have been used by many to reduce the mixing and compaction temperature of asphalt mixes. Risk of water damage and less resistance to permanent deformation as a result of less binder oxidation is a primary concern associated with roadways paved by warm-mix asphalt. This study evaluates Marshall stability, Marshall quotient, compressive strength, index of retained strength, resilient modulus (MR), stiffness modulus (SM), flexural modulus (FM), and rutting resistance (RR) testing of styrene-butadiene-styrene/asphalt mixtures (SBSAMs) containing sasobit and zeolite additives. In addition, a comparison table was prepared to select the type of SBSAMs for any field application. The test results of SBSAMs made with zeolite show slightly better performance than SBSAMs and sasobit-SBSAMs in terms of rutting, moisture, and temperature susceptibility.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published article.
Acknowledgments
The author wishes to extend his appreciation to the Iraqi Ministry of Municipalities and General Works for technical assistance, as well as to the various companies that provided the materials used in this study.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 32 • Issue 10 • October 2020
Copyright
©2020 American Society of Civil Engineers.
History
Received: Oct 23, 2019
Accepted: Mar 11, 2020
Published online: Jul 28, 2020
Published in print: Oct 1, 2020
Discussion open until: Dec 28, 2020
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