Volume 5, Issue 7 (July 2008)

    The Use of the Foam Index Test to Predict Air-Entraining Admixture Dosage in Concrete Containing Fly Ash: Part III—Development of a Standard Test Method: Proportions of Materials

    (Received 29 November 2007; accepted 18 May 2008)

    Published Online: 2008

    CODEN: JAIOAD

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    Abstract

    The foam index test can be useful for predicting air-entraining admixture (AEA) dosage in concrete or for evaluating AEA interaction with other mixture ingredients. The test is sensitive to several factors including total water content, water-cementitious materials ratio, ash-cementitious materials ratio, and others. This study isolates several key factors and examines their influence on foam index test results. Recommendations for a standard test are proposed.


    Author Information:

    Harris, Nathan J.
    Engineer, Exponent Failure Analysis Associates, Menlo Park, CA

    Hover, Kenneth C.
    Professor, School of Civil and Environmental Engineering, Cornell University, Ithaca, NY

    Folliard, Kevin J.
    Associate Professor, Department of Civil Engineering, University of Texas, Austin, TX

    Ley, M. Tyler
    Assistant Professor, Civil and Environmental Engineering, Oklahoma State University, Stillwater, OK


    Stock #: JAI101603

    ISSN: 1546-962X

    DOI: 10.1520/JAI101603

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    Author
    Title The Use of the Foam Index Test to Predict Air-Entraining Admixture Dosage in Concrete Containing Fly Ash: Part III—Development of a Standard Test Method: Proportions of Materials
    Symposium , 0000-00-00
    Committee C09