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    Volume 41, Issue 3 (May 2018)

    A Thermal Direct Shear Device for Testing Polymer-Bonded Sands

    (Received 3 November 2016; accepted 18 September 2017)

    Published Online: 2018

    CODEN: GTJODJ

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    Abstract

    This paper documents the customization of a direct shear apparatus to accommodate heat injection into a polymer-bonded sand (PBS) specimen while in the shear box (i.e., before, during, or after shearing). The system is controlled with an electronic microcontroller that is coded to enable tailored heat treatment protocols and data logging in the temperature range between 110°C and 160°C. The use of the system is exemplified with experiments aimed to characterize the strength of PBS specimens subjected to multiple heating—and thus multiple healing—cycles.

    Author Information:

    Romero, Louis
    Department of Civil Engineering, New Mexico State University, Las Cruces, 3035 S. Espina St.NM

    Mendoza, Lenny
    School of Electrical and Computer Engineering, New Mexico State University, Las Cruces, NM

    Nasirian, Ali
    Department of Civil Engineering, New Mexico State University, Las Cruces, 3035 S. Espina St.NM

    Cortes, Douglas D.
    Department of Civil Engineering, New Mexico State University, Las Cruces, 3035 S. Espina St.NM

    Valdes, Julio R.
    Department of Civil, Construction, and Environmental Engineering, San Diego, 5500 Campanile Dr.CA


    Stock #: GTJ20160281

    ISSN:0149-6115

    DOI: 10.1520/GTJ20160281

    Author
    Title A Thermal Direct Shear Device for Testing Polymer-Bonded Sands
    Symposium ,
    Committee D18