Chapter
Feb 8, 2016
Potential for Liquefaction-Induced Lateral Spreading in Interbedded Deposits Considering Spatial Variability
Authors: S. K. Munter, S.M.ASCE [email protected], C. P. Krage, S.M.ASCE [email protected], R. W. Boulanger, F.ASCE [email protected], J. T. DeJong, M.ASCE [email protected], and J. Montgomery, A.M.ASCE [email protected]Author Affiliations
Publication: Geotechnical and Structural Engineering Congress 2016
Abstract
Analyses of liquefaction-induced lateral spreading during earthquakes often contain simplifying assumptions about the stratigraphy of a site (i.e., selecting representative cross sections and properties), which can be a major source of uncertainty in the estimated deformations. This paper examines the potential for liquefaction-induced lateral spreading in a deposit of interbedded sand and clay using nonlinear deformation analyses. The soil is modeled as a binary mix with varying percentages of potentially liquefiable sand and non-liquefiable clay. The location of each soil type is represented through different realizations of interbedded stratigraphy generated using a probabilistic geologic model and a correlation structure consistent with natural fluvial deposition. The procedures used to generate these realizations and perform the dynamic numerical simulations are described. Different distributions of sand and clay are examined to determine how the percentage of liquefiable material influences the magnitude of surface deformations. The undrained strength of the clay is varied to further explore how this affects the relationship between deformation and sand percentage.
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© 2016 American Society of Civil Engineers.
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Published online: Feb 8, 2016
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Graduate Student Researcher, Dept. of Civil and Environmental Engineering, Univ. of California, Davis, CA 95616. E-mail: [email protected]
Graduate Student Researcher, Dept. of Civil and Environmental Engineering, Univ. of California, Davis, CA 95616. E-mail: [email protected]
Professor, Dept. of Civil and Environmental Engineering, Univ. of California, Davis, CA 95616. E-mail: [email protected]
Professor, Dept. of Civil and Environmental Engineering, Univ. of California, Davis, CA 95616. E-mail: [email protected]
Assistant Professor, Dept. of Civil Engineering, Auburn Univ., AL 36849. E-mail: [email protected]
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.