Volume 9, Issue 4 (April 2012)

    Validation of the Performance of Pervious Concrete in a Field Application with Finite Element Analysis

    (Received 17 November 2011; accepted 27 January 2012)

    Published Online: 2012

    CODEN: JAIOAD

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    Abstract

    Pervious concrete is a paving material that has a number of stormwater and other environmental benefits. Most current applications of pervious concrete are in residential streets, parking lots, driveways, and sidewalks, and it is being considered for shoulders and more high volume applications. Characterizations of stress distribution and deflection patterns in pervious concrete systems may be useful parameters in the structural design of these high volume uses. Pervious concrete panels with tandem axle dual wheel loads were analyzed using finite element analysis. The wheel position was considered in the corner, center, and edge of the pavement. The critical stresses obtained from the analyses were compared against experimental tensile and compressive strengths obtained from samples from a field application for various pervious concrete layer thicknesses, and additional experimental data. It was found that pervious concrete panels of sufficient thickness have adequate strength to support the applied wheel loads. To compare the long term performance when subjected to cyclic loading, the critical tensile stresses for various pavement thicknesses were compared with pavement condition index (PCI) rating data obtained from a field application reflecting pavement performance of approximately 131,000 cycles of an 80 kN single-axle load. For this particular field application, it was found that, for cyclic loading, the required thickness of the pervious concrete layer was approximately 40 %–80 % higher compared with that for the static loading condition.


    Author Information:

    Alam, Md. Ashraful
    Dept. of Civil and Environmental Engineering, Washington State Univ., Pullman, WA

    Haselbach, Liv
    Dept. of Civil and Environmental Engineering, Washington State Univ., Pullman, WA

    Cofer, William F.
    Dept. of Civil and Environmental Engineering, Washington State Univ., Pullman, WA


    Stock #: JAI104553

    ISSN: 1546-962X

    DOI: 10.1520/JAI104553

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    Author
    Title Validation of the Performance of Pervious Concrete in a Field Application with Finite Element Analysis
    Symposium , 0000-00-00
    Committee D02