Deformation Monitoring for the Assessment of Sacramento Delta Levee Performance

Victoria Bennett, Cathleen Jones, David Bekaert, Jason Bond, Amr Helal, Joel Dudas, Mohammed Gabr, Tarek Abdoun

    Research output: Contribution to journalConference article

    Abstract

    The Sacramento Delta levee network plays a vital role in supporting the United States' largest agricultural production and the municipal water supply for millions of people. Beyond the potential for earthquake-induced failure, performance monitoring of the levee system on the network level and the assessment of potential distress levels are needed for the maintenance and rehabilitation of this system. In this case, critical deformation needs to be assessed especially in view of the levees age, sea level rise, and ongoing subsidence due to the decomposition of the peat foundation layer. The work presented herein describes the remote sensing of a levee section deformation with time. The levee section is located on Sherman Island, CA, and monitoring was conducted in situ by GPS, in addition to remote sensing by airborne synthetic aperture radar and satellite systems. Coupled deformation/seepage numerical analysis of the levee section is performed using PLAXIS. The numerical model included characterization of the unsaturated-saturated zones and the peat foundation layer. Key parameters of the peat layer were synthesized from published data to provide baseline assessment for the current condition of the levee system in view of the measured rate of deformation.

    Original languageEnglish (US)
    Pages (from-to)22-31
    Number of pages10
    JournalGeotechnical Special Publication
    Issue numberGSP 284
    DOIs
    StatePublished - Jan 1 2017
    EventGeo-Risk 2017 - Denver, United States
    Duration: Jun 4 2017Jun 7 2017

    Fingerprint

    levee
    Peat
    Monitoring
    monitoring
    peat
    Remote sensing
    Levees
    Subsidence
    Sea level
    Seepage
    Synthetic aperture radar
    Water supply
    PLAXIS
    Patient rehabilitation
    remote sensing
    Global positioning system
    Numerical analysis
    Numerical models
    Earthquakes
    phreatic zone

    ASJC Scopus subject areas

    • Architecture
    • Civil and Structural Engineering
    • Building and Construction
    • Geotechnical Engineering and Engineering Geology

    Cite this

    Deformation Monitoring for the Assessment of Sacramento Delta Levee Performance. / Bennett, Victoria; Jones, Cathleen; Bekaert, David; Bond, Jason; Helal, Amr; Dudas, Joel; Gabr, Mohammed; Abdoun, Tarek.

    In: Geotechnical Special Publication, No. GSP 284, 01.01.2017, p. 22-31.

    Research output: Contribution to journalConference article

    Bennett, Victoria ; Jones, Cathleen ; Bekaert, David ; Bond, Jason ; Helal, Amr ; Dudas, Joel ; Gabr, Mohammed ; Abdoun, Tarek. / Deformation Monitoring for the Assessment of Sacramento Delta Levee Performance. In: Geotechnical Special Publication. 2017 ; No. GSP 284. pp. 22-31.
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