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    Effect of Quality and Quantity of Locally Produced Filler (Passing Sieve No. 200) on Asphaltic Mixtures in Dubai

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    Failures commonly observed in the Emirate of Dubai roads are rutting and cracking. The objective of this study is to evaluate the influence of different fillers extracted from the different local aggregate sources on the performance of asphaltic mixtures. In addition, cement, hydrated lime, and a sodium silicate based filler (Bagrat KS-300) were also considered in the study.

    A total of ten types of fillers were tested in the laboratory for grading, particle shape, surface texture, voids when compacted, absorption and specific gravity.

    The quality of each type of filler was studied by adding different fillers to bitumen at two filler to bitumen ratios ( 0.5 and 1.5 by weight) where characteristics of the bitumen cement properties (penetration, softening point, kinematic viscosity at 135 degrees Celsius, and penetration index “P.I.”) were studied.

    A Marshall mix design study was made using all types of fillers and different ratios to evaluate the performance of different types and filler quantities in the asphalt mixture.


    filler types, filler, filler ratio, filler-bitumen, stiffening ratio, bitumen extender, bitumen modifier, filler-bitumen system

    Author Information:

    Shahrour, MA
    Head of Research and Investigation Unit and Research Scientist, Dubai Municipality, Dubai,

    Saloukeh, BG
    Chemist, Dubai Municipality, Dubai,

    Committee/Subcommittee: D04.47

    DOI: 10.1520/STP24218S