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Investigation of liquefaction‐induced lateral spreading of gently sloping grounds using a variable permeability model

Malekmakan, Mahmood and Shahir, Hadi and Ayoubi, Peyman (2021) Investigation of liquefaction‐induced lateral spreading of gently sloping grounds using a variable permeability model. International Journal for Numerical and Analytical Methods in Geomechanics, 45 (12). pp. 1809-1832. ISSN 0363-9061. doi:10.1002/nag.3243. https://resolver.caltech.edu/CaltechAUTHORS:20210608-074257059

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Abstract

Liquefaction-induced lateral spreading takes place on gently sloping grounds due to the liquefaction of sand layers during an earthquake. This phenomenon had catastrophic effects in past events such as the 1964 Niigata, Japan earthquake. In this study, a recently proposed variable permeability function along with a critical state two-surface plasticity model is employed in a fully-coupled dynamic numerical model to simulate the lateral spreading. The variable permeability function is re-calibrated such that the numerical model is able to simulate lateral spreading in a more realistic way compared to the experimental records. By means of six centrifuge experiments for verification, it is shown that the current numerical model is properly capable to capture the underlying physics of liquefaction-induced lateral spreading. Using the calibrated model, a comprehensive parametric study is conducted and the results are used to develop a practical correlation to estimate the lateral displacement of a liquefied gently sloped ground.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1002/nag.3243DOIArticle
ORCID:
AuthorORCID
Shahir, Hadi0000-0002-0955-5171
Ayoubi, Peyman0000-0001-6795-4923
Additional Information:© 2021 John Wiley & Sons Ltd. Issue Online: 07 August 2021; Version of Record online: 29 May 2021; Manuscript accepted: 11 May 2021; Manuscript revised: 03 May 2021; Manuscript received: 16 September 2018. Data Availability Statement: The data that support the findings of this study are available from the corresponding author upon reasonable request.
Subject Keywords:lateral spreading; liquefaction; parametric study; variable permeability
Issue or Number:12
DOI:10.1002/nag.3243
Record Number:CaltechAUTHORS:20210608-074257059
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20210608-074257059
Official Citation:Malekmakan, M, Shahir, H, Ayoubi, P. Investigation of liquefaction-induced lateral spreading of gently sloping grounds using a variable permeability model. Int J Numer Anal Methods Geomech. 2021; 45: 1809–1832. https://doi.org/10.1002/nag.3243
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:109431
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:09 Jun 2021 19:26
Last Modified:18 Aug 2021 21:40

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