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    Volume 9, Issue 1 (January 1981)

    Void Content Prediction in Two-Size Aggregate Mixes


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    The purpose of this research was to develop a method to predict the interparticle voids in combinations of two sizes of aggregates. Theoretical concepts and predictions preceded the experimental work. Statistical techniques and computers were used in the design of the experiment and in the analysis of the data. Graphical presentations and illustrations were also used. The experimental work involved three types of rocks having different geometrical properties. Eight differently sized fractions of each of the three types of aggregates were tested. On the basis of the data collected and analyzed, it was concluded that two-size aggregate mixes that have the same size ratio and equal total packing volumes and that were compacted under identical conditions should have the same interparticle packing void contents. The data collected from the experiments were used to introduce a new method (graphical and analytical) to predict the packing void content in two-size aggregate mixes blended at any ratio. The developed blending design curves covered size ratios ranging between 0.20 and about 0.40. Only the percentage of the two constituents in the mix and the size ratio are needed to predict the packing void content by this new method.

    Author Information:

    Al-Jarallah, M
    Assistant professorMember of ASTM, University of Riyadh, Riyadh,

    Tons, E
    ProfessorMember of ASTM, University of Michigan, Ann Arbor, Mich.

    Stock #: JTE10639J

    ISSN: 0090-3973

    DOI: 10.1520/JTE10639J

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    Title Void Content Prediction in Two-Size Aggregate Mixes
    Symposium , 0000-00-00
    Committee D04