Volume 33, Issue 5 (September 2005)

    Estimation of Surface Macrotexture in Hot Mix Asphalt Concrete Pavements Using Laser Texture Data

    (Received 5 December 2003; accepted 12 January 2005)

    Published Online: 2005

    CODEN: JTEOAD

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    Abstract

    This paper describes development of an automated technology to quantify surface segregation seen during construction of hot mix asphalt concrete pavements. Segregation manifested on the surface produces nonuniform surface macrotecture. A laser-based system was used for detection of nonuniform surface macrotexture caused by segregation. Two segregated test sections and a control test section were tested to evaluate the laser texture method. Laser texture data were gathered from three sites, and sand patch and nuclear density tests were performed at 25 ft (7.62 m) intervals along three sections. In addition to the above, visual surveys were performed to confirm the measurements. Based on the test results, it was found that the nuclear density test could not be used to detect surface segregation but it could be used as a confirmation test. Test results from the control section were used to establish a correlation between the sand patch tests and the laser texture data.


    Author Information:

    Meegoda, JN
    Professor, New Jersey Institute of Technology, Newark, NJ

    Rowe, GM
    President, Abatech Inc., Blooming Glen, PA

    Jumikis, AA
    Supervising Engineer, New Jersey Department of Transportation, Trenton, NJ

    Hettiarachchi, CH
    Doctoral Candidate, New Jersey Institute of Technology, Newark, NJ

    Bandara, N
    Research Engineer, Abatech Inc., Blooming Glen, PA

    Gephart, NC
    Principal Engineer, New Jersey Department of Transportation, Trenton, NJ


    Stock #: JTE12343

    ISSN: 0090-3973

    DOI: 10.1520/JTE12343

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    Author
    Title Estimation of Surface Macrotexture in Hot Mix Asphalt Concrete Pavements Using Laser Texture Data
    Symposium , 0000-00-00
    Committee D04