Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 48, Issue -, Pages 908-916Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2013.07.100
Keywords
Mastic asphalt; SBS (Styrene-Butadiene-Styrene) modifier; Fatigue performance; TLA (Trinidad Lake Asphalt); Bridge deck pavement
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Funding
- Samsung CT
- Carbon Neutral Road Technologies Development Research Program through the Korea Institute of Construction & Transportation Technology Evaluation and planning (KICTEP)
- Minister of Land, Transport and Maritime Affairs (MLTM)
- Korea Agency for Infrastructure Technology Advancement (KAIA) [60125] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This study evaluated the fatigue performance of Styrene-Butadiene-Styrene (SBS) modified mastic asphalt mixtures used for bridge deck pavements. The effect of the type and content of newly developed SBS modifiers was investigated using typical binder tests. Four-point bending beam fatigue and indirect strength tests were conducted to examine fatigue and fracture behaviors of the SBS modified mastic asphalt mixtures. The SBS modifiers without C=C double bonds enhanced the mechanical properties of the mastic asphalt binder and mixtures: lower stiffness after short- and long-term oxidation, significantly greater fatigue resistance at a higher strain level, and higher crack development resistance. (C) 2013 Elsevier Ltd. All rights reserved.
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