Volume 36, Issue 5 (September 2013)

    A Large-Scale Soil-Structure Interface Testing Device

    (Received 8 November 2012; accepted 17 April 2013)

    Published Online: 2013

    CODEN: GTJOAD

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    Abstract

    A large-scale testing device for the experimental investigation of soil-structure interactions was developed. It allows an observation of the evolution of deformations and the measurement of the stresses in the soil-structure contact zone under 1 g-conditions. The tests are designed as boundary value problems for benchmark tests of numerical simulations. They can be used to validate contact formulations and constitutive equations for the soil. The dimensions (soil height >1.5 m) provide a sufficiently high stress level for simulations with constitutive models for soil. The major part of the device is an instrumented wall section with modifiable surface roughness representing, e.g., a part of a pile shaft or a steel sheet. This wall can be displaced quasi-statically relative to an adjacent soil body. The distribution of shear and normal stress and the wall displacements are measured. Digital image correlation (DIC) is used to evaluate the soil deformations. The paper focuses on the basic concept, the design, and the instrumentation details of the testing device. Additionally, some selected test results are shown.


    Author Information:

    Vogelsang, Jakob
    Research Assistant, Institute of Soil Mechanics and Rock Mechanics, Karlsruhe Institute of Technology (KIT), Karlsruhe,

    Huber, Gerhard
    Research Associate, Institute of Soil Mechanics and Rock Mechanics, Karlsruhe Institute of Technology (KIT), Karlsruhe,

    Triantafyllidis, Theodoros
    Director, Institute of Soil Mechanics and Rock Mechanics, Karlsruhe Institute of Technology (KIT), Karlsruhe,


    Stock #: GTJ20120213

    ISSN: 0149-6115

    DOI: 10.1520/GTJ20120213

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    Author
    Title A Large-Scale Soil-Structure Interface Testing Device
    Symposium , 0000-00-00
    Committee D18