Abstract
A number of industrial and domestic wastes are being used as replacement of conventional fillers in asphalt mix. Since different fillers have different densities, conventional weight proportioning may give rise to excess or inadequate quantity of filler in the mix. Hence, volume proportioning for fillers is suggested in the present work. Fillers made up of brick dust, fly-ash, lime dust, recycled concrete waste aggregates dust and conventional stone dusts are studied. The fillers are characterized through uncompacted bulk density, particle size distribution, methylene blue, Blaine’s air permeability, scanning electron microscopy, X-ray diffraction and loss on ignition tests. Creep, indirect tensile strength and moisture sensitivity tests are performed on the asphalt mixes and the results are compared.
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