Publisher : The Korea Academia-Industrial cooperation Society
DOI : 10.5762/KAIS.2016.17.3.732
Title & Authors
Performance Evaluation of Dense Graded Asphalt Mixture Modfied by Pyrolysis Carbon Black Lee, Kwan-Ho;
Using the pyrolyzed carbon black (PCB) from waste tires, the performance of 13 mm dense-graded hot mix asphalt was evaluated. The Marshall mix design was carried out and the measured optimal asphalt content was 5.8%. The impact resonant test was conducted to obtain the elastic modulus and damping ratio of the hot mix asphalt. The elastic modulus of HMA increased with increasing amount of PCB. On the other hand, there was no significant change in the damping ratio. The Marshall mix design, indirect tensile test, permanent deformation test, and program analysis were carried out. The strength ratio of the PCB modified asphalt mixtures was within 10%. More 10% of PCB was not good for the permanent deformation of hot mix asphalt. From the pavement design program, the use of 5% PCB in hot mix asphalt showed a decrease in the top-down crack, bottom-up crack, and permanent deformation. Judging from the limited test and analysis, the use of 5% PCB is good for enhancing the pavement performance.
Comparative assessment of the mechanical properties of asphalt layers under the traffic and environmental conditions, Construction and Building Materials, 2017, 131, 278
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