Volume 25, Issue 2 (June 2002)

    Sidewall Leakage in Hydraulic Conductivity Testing of Asphalt Concrete Specimens

    (Received 2 March 2001; accepted 17 September 2001)

    CODEN: GTJOAD

      Format Pages Price  
    PDF 5 $25   ADD TO CART


    Abstract

    Asphalt specimens with irregular sidewalls can require special testing considerations when measuring hydraulic conductivity in a flexible wall permeameter. The hydraulic conductivity of laboratory prepared, dense asphalt concrete with high asphalt cement content (6–8.5% asphalt cement) was measured in the laboratory. Hydraulic conductivities were found to be excessive and were shown to be caused by sidewall leakage. Applying a thin layer of silicone vacuum grease to the sides of the asphalt specimens arrested the sidewall leakage, thereby permitting more accurate measurement of the hydraulic conductivity of the asphalt concrete.


    Author Information:

    Bowders, JJ
    Associate Professor, Civil and Environmental Engineering, University of Missouri-Columbia, Columbia, MO

    Neupane, D
    Graduate Research Assistant, Civil and Environmental Engineering, University of Missouri-Columbia, Columbia, MO

    Erik Loehr, J
    Assistant Professor, Civil and Environmental Engineering, University of Missouri-Columbia, Columbia, MO


    Stock #: GTJ11364J

    ISSN: 0149-6115

    DOI: 10.1520/GTJ11364J

    ASTM International is a member of CrossRef.

    Author
    Title Sidewall Leakage in Hydraulic Conductivity Testing of Asphalt Concrete Specimens
    Symposium , 0000-00-00
    Committee D18