Difference and Sensitivity Analyses of the LEAP-2017 Experiments

Nithyagopal Goswami; Mourad Zeghal; Bruce L. Kutter; Majid T. Manzari; Tarek Abdoun; Trevor Carey; Yun Min Chen; Sandra Escoffier; Stuart K. Haigh; Wen Yi Hung; Dong Soo Kim; Seong Nam Kim; Evangelia Korre; Ting Wei Liao; Kai Liu; Gopal S.P. Madabhushi; Srikanth S.C. Madabhushi; Mitsu Okamura; Asri Nurani Sjafruddin; Tetsuo Tobita; Kyohei Ueda; Ruben Vargas; Yan Guo Zhou

doi:10.1007/978-3-030-22818-7_7

Difference and Sensitivity Analyses of the LEAP-2017 Experiments

Nithyagopal Goswami, Mourad Zeghal, Bruce L. Kutter, Majid T. Manzari, Tarek Abdoun, Trevor Carey, Yun Min Chen, Sandra Escoffier, Stuart K. Haigh, Wen Yi Hung, Dong Soo Kim, Seong Nam Kim, Evangelia Korre, Ting Wei Liao, Kai Liu, Gopal S.P. Madabhushi, Srikanth S.C. Madabhushi, Mitsu Okamura, Asri Nurani Sjafruddin, Tetsuo TobitaKyohei Ueda, Ruben Vargas, Yan Guo Zhou

Civil Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The experimental results of LEAP (Liquefaction Experiments and Analysis Projects) centrifuge test replicas of a saturated sloping deposit are used to assess the sensitivity of soil accelerations to variability in input motion and soil deposition. A difference metric is used to quantify the dissimilarities between recorded acceleration time histories. This metric is uniquely decomposed in terms of four difference component measures associated with phase, frequency shift, amplitude at 1 Hz, and amplitude of frequency components higher than 2 Hz (2 + Hz). The sensitivity of the deposit response accelerations to differences in input motion amplitude at 1 Hz and 2 + Hz and cone penetration resistance (used as a measure reflecting soil deposition and initial grain packing condition) was obtained using a Gaussian process-based kriging. These accelerations were found to be more sensitive to variations in cone penetration resistance values than to the amplitude of the input motion 1 Hz and 2 + Hz (frequency) components. The sensitivity functions associated with this resistance parameter were found to be substantially nonlinear.

Original language	English (US)
Title of host publication	Model Tests and Numerical Simulations of Liquefaction and Lateral Spreading - LEAP-UCD-2017
Editors	Bruce L. Kutter, Majid T. Manzari, Mourad Zeghal
Publisher	Springer Nature
Pages	131-156
Number of pages	26
ISBN (Electronic)	9783030228170
DOIs	https://doi.org/10.1007/978-3-030-22818-7_7
State	Published - 2020
Event	Workshop on Liquefaction Experiments and Analysis Projects, LEAP-UCD 2017 - Davis, United States Duration: Dec 14 2017 → …

Publication series

Name	Model Tests and Numerical Simulations of Liquefaction and Lateral Spreading - LEAP-UCD-2017

Conference

Conference	Workshop on Liquefaction Experiments and Analysis Projects, LEAP-UCD 2017
Country/Territory	United States
City	Davis
Period	12/14/17 → …

ASJC Scopus subject areas

Geotechnical Engineering and Engineering Geology

Access to Document

10.1007/978-3-030-22818-7_7

Cite this

Goswami, N., Zeghal, M., Kutter, B. L., Manzari, M. T., Abdoun, T., Carey, T., Chen, Y. M., Escoffier, S., Haigh, S. K., Hung, W. Y., Kim, D. S., Kim, S. N., Korre, E., Liao, T. W., Liu, K., Madabhushi, G. S. P., Madabhushi, S. S. C., Okamura, M., Sjafruddin, A. N., ... Zhou, Y. G. (2020). Difference and Sensitivity Analyses of the LEAP-2017 Experiments. In B. L. Kutter, M. T. Manzari, & M. Zeghal (Eds.), Model Tests and Numerical Simulations of Liquefaction and Lateral Spreading - LEAP-UCD-2017 (pp. 131-156). (Model Tests and Numerical Simulations of Liquefaction and Lateral Spreading - LEAP-UCD-2017). Springer Nature. https://doi.org/10.1007/978-3-030-22818-7_7

Difference and Sensitivity Analyses of the LEAP-2017 Experiments. / Goswami, Nithyagopal; Zeghal, Mourad; Kutter, Bruce L. et al.
Model Tests and Numerical Simulations of Liquefaction and Lateral Spreading - LEAP-UCD-2017. ed. / Bruce L. Kutter; Majid T. Manzari; Mourad Zeghal. Springer Nature, 2020. p. 131-156 (Model Tests and Numerical Simulations of Liquefaction and Lateral Spreading - LEAP-UCD-2017).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Goswami, N, Zeghal, M, Kutter, BL, Manzari, MT, Abdoun, T, Carey, T, Chen, YM, Escoffier, S, Haigh, SK, Hung, WY, Kim, DS, Kim, SN, Korre, E, Liao, TW, Liu, K, Madabhushi, GSP, Madabhushi, SSC, Okamura, M, Sjafruddin, AN, Tobita, T, Ueda, K, Vargas, R & Zhou, YG 2020, Difference and Sensitivity Analyses of the LEAP-2017 Experiments. in BL Kutter, MT Manzari & M Zeghal (eds), Model Tests and Numerical Simulations of Liquefaction and Lateral Spreading - LEAP-UCD-2017. Model Tests and Numerical Simulations of Liquefaction and Lateral Spreading - LEAP-UCD-2017, Springer Nature, pp. 131-156, Workshop on Liquefaction Experiments and Analysis Projects, LEAP-UCD 2017, Davis, United States, 12/14/17. https://doi.org/10.1007/978-3-030-22818-7_7

Goswami N, Zeghal M, Kutter BL, Manzari MT, Abdoun T, Carey T et al. Difference and Sensitivity Analyses of the LEAP-2017 Experiments. In Kutter BL, Manzari MT, Zeghal M, editors, Model Tests and Numerical Simulations of Liquefaction and Lateral Spreading - LEAP-UCD-2017. Springer Nature. 2020. p. 131-156. (Model Tests and Numerical Simulations of Liquefaction and Lateral Spreading - LEAP-UCD-2017). doi: 10.1007/978-3-030-22818-7_7

Goswami, Nithyagopal ; Zeghal, Mourad ; Kutter, Bruce L. et al. / Difference and Sensitivity Analyses of the LEAP-2017 Experiments. Model Tests and Numerical Simulations of Liquefaction and Lateral Spreading - LEAP-UCD-2017. editor / Bruce L. Kutter ; Majid T. Manzari ; Mourad Zeghal. Springer Nature, 2020. pp. 131-156 (Model Tests and Numerical Simulations of Liquefaction and Lateral Spreading - LEAP-UCD-2017).

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abstract = "The experimental results of LEAP (Liquefaction Experiments and Analysis Projects) centrifuge test replicas of a saturated sloping deposit are used to assess the sensitivity of soil accelerations to variability in input motion and soil deposition. A difference metric is used to quantify the dissimilarities between recorded acceleration time histories. This metric is uniquely decomposed in terms of four difference component measures associated with phase, frequency shift, amplitude at 1 Hz, and amplitude of frequency components higher than 2 Hz (2 + Hz). The sensitivity of the deposit response accelerations to differences in input motion amplitude at 1 Hz and 2 + Hz and cone penetration resistance (used as a measure reflecting soil deposition and initial grain packing condition) was obtained using a Gaussian process-based kriging. These accelerations were found to be more sensitive to variations in cone penetration resistance values than to the amplitude of the input motion 1 Hz and 2 + Hz (frequency) components. The sensitivity functions associated with this resistance parameter were found to be substantially nonlinear.",

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Difference and Sensitivity Analyses of the LEAP-2017 Experiments

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