Unstable slope monitoring with a wireless shape-acceleration array system

V. Bennett, Tarek Abdoun, L. Danisch, T. Shantz, D. Jang

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

    Abstract

    The evaluation, health monitoring and response prediction of soil and soil-structure systems during construction and due to extreme hazard conditions are on the verge of a significant paradigm shift. New and less expensive sensing technologies have enabled the development of innovative instrumentation and advanced interactive modeling tools. These tools, combined with recent advances in information technology including wireless sensor networking, data mining, visualization and system identification, promise significant improvements in real time monitoring during construction, sensor-assisted design and early warning of impending failure. This paper presents the newly developed Wireless Shape-Acceleration Array (WSAA) sensor that measures multi-dimensional acceleration and deformation profiles and constitutes a major step toward autonomous monitoring technology for soil and soil-structure systems. The WSAA sensor employs micromachined electromechanical sensors (MEMS), which have enabled gravity-based shape calculation along a sensorized substrate. WSAA uses MEMS accelerometers in a pre-calibrated, geometrically constrained array to provide long-term stability. This sensor array is capable of measuring 2D soil acceleration and 3D permanent ground deformations to a depth of one hundred meters. Each sensor array is connected to a wireless earth station to enable real time monitoring of a wide range of soil and soil-structure systems as well as remote sensor configuration. This paper presents the evolving design of this new sensor array as well a description of and preliminary data from an instrumented unstable slope in California.

    Original languageEnglish (US)
    Title of host publicationFMGM 2007 - Proceedings of the 7th International Symposium on Field Measurments in Geomechanics
    Number of pages1
    Edition175
    DOIs
    StatePublished - Dec 1 2007
    Event7th International Symposium on Field Measurements in Geomechanics, FMGM 2007 - Boston, MA, United States
    Duration: Sep 24 2007Sep 27 2007

    Other

    Other7th International Symposium on Field Measurements in Geomechanics, FMGM 2007
    CountryUnited States
    CityBoston, MA
    Period9/24/079/27/07

    Fingerprint

    sensors (equipment)
    Sensor arrays
    sensor
    Soils
    Monitoring
    monitoring
    Sensors
    soil structure
    soil
    Accelerometers
    Information technology
    Data mining
    health monitoring
    paradigm shift
    Identification (control systems)
    Hazards
    Gravitation
    information technology
    data mining
    accelerometer

    ASJC Scopus subject areas

    • Building and Construction
    • Architecture
    • Soil Science

    Cite this

    Bennett, V., Abdoun, T., Danisch, L., Shantz, T., & Jang, D. (2007). Unstable slope monitoring with a wireless shape-acceleration array system. In FMGM 2007 - Proceedings of the 7th International Symposium on Field Measurments in Geomechanics (175 ed.) https://doi.org/10.1061/40940(307)38

    Unstable slope monitoring with a wireless shape-acceleration array system. / Bennett, V.; Abdoun, Tarek; Danisch, L.; Shantz, T.; Jang, D.

    FMGM 2007 - Proceedings of the 7th International Symposium on Field Measurments in Geomechanics. 175. ed. 2007.

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

    Bennett, V, Abdoun, T, Danisch, L, Shantz, T & Jang, D 2007, Unstable slope monitoring with a wireless shape-acceleration array system. in FMGM 2007 - Proceedings of the 7th International Symposium on Field Measurments in Geomechanics. 175 edn, 7th International Symposium on Field Measurements in Geomechanics, FMGM 2007, Boston, MA, United States, 9/24/07. https://doi.org/10.1061/40940(307)38
    Bennett V, Abdoun T, Danisch L, Shantz T, Jang D. Unstable slope monitoring with a wireless shape-acceleration array system. In FMGM 2007 - Proceedings of the 7th International Symposium on Field Measurments in Geomechanics. 175 ed. 2007 https://doi.org/10.1061/40940(307)38
    Bennett, V. ; Abdoun, Tarek ; Danisch, L. ; Shantz, T. ; Jang, D. / Unstable slope monitoring with a wireless shape-acceleration array system. FMGM 2007 - Proceedings of the 7th International Symposium on Field Measurments in Geomechanics. 175. ed. 2007.
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