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008 240226s2021 th ad rm 000 0 eng d
035 _a.b12417087
099 9 _aAIT Diss no.TE-20-01
100 0 _aSarawut Tassiri
245 1 0 _aEvaluation of performance properties of warm mix asphalt (WMA) modified with reclaimed asphalt pavement (RAP)
260 _aPathum Thani, Thailand :
_bAsian Institute of Technology,
_c2021
300 _a122 leaves :
_bill.
490 1 _aDissertation ;
_vno. TE-20-01
500 _aA dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Transportation Engineering
502 _aThesis (Ph. D.) - Asian Institute of Technology, 2021
520 _aThrough laboratory performance tests, this study evaluated the mixtures{u2019} moisture sensitivity, permanent deformation, resistance to fatigue, resilient modulus and durability of the reclaimed asphalt pavement (RAP) in warm mix asphalt. Hot mix asphalt (HMA) and warm mix asphalt (WMA) included in the experiment were designed using different RAP mixture proportions (0, 20, 40, and 60 per cent) in comparison with HMA. RedisetTM additive, AdveraTM additive, and HoneywellTM additive to the asphalt were the main components of concoction for the WMA mixtures produced in this study. The Superpave design method was used to design HMA, WMA, and WMA mixed with the RAP. Types of laboratory performance tests conducted throughout the study were the moisture sensitivity test, the permanent deformation test, the fatigue resistance test, resilient modulus test and the Cantabro loss test. Results indicated that all the WMA mixtures had a significantly improved tensile strength ratio (TSR) compared to the HMA mixtures. However, varying the proportion of the RAP incorporated into the RAP mixtures revealed no significant improvement in TSR. The HoneywellTM additive could improve the rutting resistance of WMA mixtures as well as increase the mixtures{u2019} resistance to fatigue, compared to the conventional HMA. This was because the mixture with added HoneywellTM additive had a greater number of cycles to fatigue failure. By adding a higher percentage of RAP into WMA with AdveraTM additive (40-60 per cent RAP), the mixture{u2019}s resistance to fatigue was significantly improved. The greater RAP content can improve the resilient modulus of asphalt mixtures. All additives improved the durability of the mixtures. Adding a higher percentage of RAP, however, resulted in greater loss of mass.
650 0 _aPavements, Asphalt
_xEvaluation
650 0 _aAsphalt
_xAdditives
_xTesting
650 0 _aPavements
_xPerformance
700 0 _aKunnawee Kanitpong,
_eChairperson
700 0 _aThirayoot Limanond,
_eExamination Committee
700 1 _aHadikusumo, Bonaventura H.W.,
_eExamination Committee
700 0 _aAuckpath Sawangsuriya,
_eExamination Committee
710 2 _aDepartment of Highways, Thailand,
_eScholarship Donor
810 2 _aAsian Institute of Technology.
_tDissertation ;
_vno. TE-20-01
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/Viewer/viewer.php?id=B20243
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