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The Effect of Filler on Asphalt Cement Mastics


Ghanshyam Dhangar , SVN UNIVERSITY,SAGAR; Mr P C Diwan


Mineral Fillers, Particle Size, Mastic Asphalt, Engineering Properties


This study examines four types of industrial and by-product waste fillers, namely limestone dust (LSD), which was the reference filler; ceramic waste dust (CWD); coal fly ash (CFA), and steel slag mixture (SSD). The filler consisted of an aggregate (10% of total weight) with three proportions: 100% passing 75µm, 50% passing 75µm/20µm, and 100% passing 20µm. Comprehensive laboratory tests were performed to determine the impact of different types and particle sizes of fillers on the engineering and mechanical properties of fine mastics and stone mastic asphalt mixture. The results indicate that the application of industrial by-products used as fillers improves the engineering properties of stone mastic asphalt mixtures. The increased stiffness due to the addition of the filler is represented by an increase in the softening point, viscosity, stability, and resilient modulus, as well as a decrease in penetration. The optimum asphalt content increased with the decrease in filler particle size for LSD and SSD, and decreased for CWD and CFA. It was also determined that the filler type and particle size has a significant effect on the mixture properties. Among these three proportions, the samples prepared with the filler size proportion of 50/50 gave the best value in terms of stability, Marshall Quotient, and resilient modulus than the other filler size proportions.

Other Details

Paper ID: IJSRDV5I70051
Published in: Volume : 5, Issue : 7
Publication Date: 01/10/2017
Page(s): 212-221

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