Effects of Rejuvenator Dosage, Temperature, RAP Content and Rejuvenation Process on the Road Performance of Recycled Asphalt Mixture
نویسندگان
چکیده
In this paper, the key technologies in construction process of hot in-place recycling were investigated order to improve utilization rate waste asphalt mixture; traditional lab tests including penetration, softening point and ductility tests, atomic force microscope test recycled under different rejuvenator content, milling on grading at temperatures carried out. The influence RAP content rejuvenation processes road performance studied, low-temperature mixture was analyzed by energy analysis method, evaluation index proposed. Test results indicated that penetration increases, decrease with increasing, optimum is 4%. mixing compaction temperature will 2–6 °C average for every 10% increase analyzing volume index. showed enhance rutting resistance but lower moisture crack adding content. strain density 10 KJ/m3 proposed evaluate mixture, 30% produces optimal mixture. higher can be obtained using RAP+ co-heating, without heating.
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ژورنال
عنوان ژورنال: Sustainability
سال: 2023
ISSN: ['2071-1050']
DOI: https://doi.org/10.3390/su15043539