Performance of SBS-HMA Mixes Made with Sasobit and Zeolite

AbstractSasobit 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 a...

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Bibliographic Details
Published in:Journal of materials in civil engineering 2020-10, Vol.32 (10)
Main Author: Al-Hadidy, A. I
Format: Article
Language:English
Subjects:
Additives
Asphalt mixes
Building materials
Butadiene
Civil engineering
Compressive strength
Modulus of rupture in bending
Oxidation resistance
Quotients
Roads
Stability analysis
Stiffness
Styrenes
Technical Note
Technical Notes
Testing
Water damage
Zeolites
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Summary:AbstractSasobit 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.
ISSN:0899-1561
1943-5533
DOI:10.1061/(ASCE)MT.1943-5533.0003362