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    Volume 6, Issue 1

    Piloted Quality Control Techniques Using the Plastic Mold Compaction Device for Cement Stabilized Materials

    (Received 16 November 2016; accepted 21 April 2017)

    Published Online: 2017

    CODEN: ACEMF9

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    Abstract

    Some highway agencies make heavy use of cement-stabilized materials (i.e., soil-cement) for subbase and base pavement layers. Recently, several soil-cement studies have been funded by highway agencies. Through one of these studies, the plastic mold compaction device (PM Device) was developed, which is designed to compact 2:1 height/diameter specimens inside plastic molds. The most novel aspect of the PM Device is the potential to interface mechanistic-empirical pavement design, laboratory mixture design, and construction quality control/quality assurance (QC/QA) activities. To date, the PM Device has been evaluated with respect to design activities, but little work has been performed to evaluate the PM Device’s effectiveness as a tool during construction. This paper focuses on three pilot projects in which the PM Device was evaluated as a potential QC/QA tool. The PM Device demonstrated merit as a QC/QA tool for A-2-4 classified materials, but the current PM Device does have particle size limitations. The PM Device produced consistent specimen densities with a predetermined compactive effort, provided an indication of cement content of field-mixed material via unconfined compressive strength testing, and correlated favorably with field cores in a limited assessment. The investigations presented need to be supplemented by additional projects to develop a framework for the PM Device to be implemented into an agency QC/QA program.

    Author Information:

    Sullivan, W. Griffin

    Howard, Isaac L.
    Department of Civil and Environmental Engineering, Mississippi State University, Mississippi State, MS


    Stock #: ACEM20160075

    ISSN:2379-1357

    DOI: 10.1520/ACEM20160075

    Author
    Title Piloted Quality Control Techniques Using the Plastic Mold Compaction Device for Cement Stabilized Materials
    Symposium ,
    Committee D18