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    Volume 15, Issue 1 (July 1993)

    Observations on Rubberized Concrete Behavior


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    As a possible solution to the problem of scrap-tire disposal, an experimental study was conducted to examine the potential use of tire chips and crumb rubber as aggregate substitutes in portland-cement concrete mixes. In this study, strength, durability, and toughness as well as workability, unit weight, and volume change were examined. Rubberized concrete was found to possess acceptable workability and a smaller unit weight than plain concrete. Volume change of rubberized concrete specimens containing 38, 25, and 19-mm rubber aggregates was found to be larger than that of plain concrete. Rubberized concrete specimens exhibited lower compressive and splitting-tensile strength than did plain concrete specimens. However, rubberized concrete did not demonstrate a brittle failure, but rather a ductile, plastic failure, and had the ability to absorb a large amount of plastic energy under compressive and tensile loads. A mathematical model is used to describe quantitatively the effects of rubber aggregates on the compressive and splitting-tensile strength reduction of concrete.

    Author Information:

    Senouci, AB
    Associate research specialist in Construction Engineering and Management, University of Wisconsin, WI

    Eldin, NN
    Associate professor, Oregon State University, Corvallis, OR

    Stock #: CCA10590J


    DOI: 10.1520/CCA10590J

    Title Observations on Rubberized Concrete Behavior
    Symposium ,
    Committee C01