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    Volume 39, Issue 1 (January 2016)

    The Large-Scale Soil Box: A New Device for Testing the Performance of Buried Pipe

    (Received 18 February 2015; accepted 3 June 2015)

    Published Online: 27 January 2016


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    A new apparatus that measures pipe deflection as a function of simulated overburden stress is described—the large-scale soil box (LSSB). While the LSSB is similar to previous quasi-full scale instruments, it is capable of load testing two pipes simultaneously while monitoring deflection along their crowns. A series of tests were conducted on 24 and 36-in., 10-ft-long pipe sections. Pipe material varied throughout testing; materials included polyvinylchloride (PVC), high-density polyethylene (HDPE), steel, and aluminum. During load application, lasers allowed for deflection curves to be developed for each of the pipes as a function of simulated overburden produced via constrained lift bags. Analysis of the results appeared to indicate that loading in the LSSB is not necessarily uniform. This is likely due to non-uniform soil densities that were present prior to testing even though strict procedures and quality control checks were used prior to each test. Therefore, it would be difficult to use data from a device like this as a comparison against finite element models. However, results from these tests still may be used to assess the relative levels of effect of different pipe types and installation procedures.

    Author Information:

    Crowley, Raphael W.
    Assistant Professor, Department of Construction Management, Univ. of North Florida, Jacksonville, FL

    Bloomquist, David
    Professor Emeritus, Engineering School of Sustainable Infrastructure and Environment, Department of Civil and Coastal Engineering, Univ. of Florida, Gainesville, FL

    Konn, Victor
    Engineer, Langan Engineering and Environmental Services, Miami Lakes, FL

    Faraone, Zachary
    Engineer, Baston-Cook Company, Tampa, FL

    Pasken, Kenneth A.
    Land Development Analyst, Kimley-Horn and Associates, Inc., Miami, FL

    Stock #: GTJ20150038


    DOI: 10.1520/GTJ20150038

    Title The Large-Scale Soil Box: A New Device for Testing the Performance of Buried Pipe
    Symposium ,
    Committee F17