Advanced sensing in geotechnical centrifuge models

A. Tessari, I. Sasanakul, Tarek Abdoun

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    The ability to measure and record physical phenomena is paramount to geotechnical centrifuge modeling. Advanced sensing techniques provide additional methods for system identification and acquiring experimental data. The Geotechnical Centrifuge Research Center at Rensselaer Polytechnic Institute has developed and implemented three advanced systems that complement traditional sensors. These include (1) an in-flight high-speed camera and lighting system for dynamic testing; (2) tactile sensors that measure 2-D soil pressure; and (3) a bender element system for measuring mechanical wave velocities. The high-speed camera captures the motion of targets installed on the surface of centrifuge models. Tactile pressure sensors measure soil pressure on subsurface structures and are used to determine at-rest, active and passive lateral earth pressures. The level of saturation and small-strain shear modulus are quantified through the detection of primary and secondary waves using bender elements and custom software.

    Original languageEnglish (US)
    Title of host publicationPhysical Modelling in Geotechnics - Proceedings of the 7th International Conference on Physical Modelling in Geotechnics 2010, ICPMG 2010
    Pages395-400
    Number of pages6
    Volume1
    Publication statusPublished - Dec 1 2010
    Event7th International Conference on Physical Modelling in Geotechnics 2010, ICPMG 2010 - Zurich, Switzerland
    Duration: Jun 28 2010Jul 1 2010

    Other

    Other7th International Conference on Physical Modelling in Geotechnics 2010, ICPMG 2010
    CountrySwitzerland
    CityZurich
    Period6/28/107/1/10

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    ASJC Scopus subject areas

    • Geotechnical Engineering and Engineering Geology

    Cite this

    Tessari, A., Sasanakul, I., & Abdoun, T. (2010). Advanced sensing in geotechnical centrifuge models. In Physical Modelling in Geotechnics - Proceedings of the 7th International Conference on Physical Modelling in Geotechnics 2010, ICPMG 2010 (Vol. 1, pp. 395-400)