Site response in a layered liquefiable deposit: evaluation of different numerical tools and methodologies with centrifuge experimental results

J Ramirez, AR Barrero, L Chen, S Dashti… - … of Geotechnical and …, 2018 - ascelibrary.org
Results of a centrifuge experiment simulating seismic site response in a layered level
liquefiable soil profile are used to evaluate and systematically compare the predictive …

Procedure for assessing the liquefaction vulnerability of tailings dams

O Ledesma, A Sfriso, D Manzanal - Computers and Geotechnics, 2022 - Elsevier
This paper presents a procedure to assess the vulnerability of tailings dams to failure due to
flow liquefaction. Vulnerability is understood as the inability of a system to resist adverse …

Instability of loose sand in constant volume direct simple shear tests in relation to particle shape

A Lashkari, SR Falsafizadeh, PT Shourijeh, MJ Alipour - Acta Geotechnica, 2020 - Springer
Post-peak flow instability of six sands notably different in terms of average particle shape
characteristics, gradation, and mineralogy was investigated. Tests were carried out under …

Undrained cyclic behaviors of fiber-reinforced calcareous sand under multidirectional simple shear stress path

L Zhou, JF Chen, XY Zhuang - Acta Geotechnica, 2023 - Springer
A series of monotonic and multidirectional cyclic simple shear tests were performed on
reconstituted fiber-reinforced calcareous sand specimens prepared by the dry deposition …

Nonlinear site response analysis with pore-water pressure generation for liquefaction triggering evaluation

SM Olson, X Mei, YMA Hashash - Journal of Geotechnical and …, 2020 - ascelibrary.org
The cyclic-stress approach is widely used to evaluate level-ground liquefaction triggering.
Although easy to use, several limitations introduce significant uncertainty in the analysis …

Mechanical response of mine tailings under constant shear drained loading

L Vergaray, J Macedo - Journal of Geotechnical and …, 2024 - ascelibrary.org
Several tailings dam failures have highlighted the potential for instability under prevailing
drained conditions, which can be represented in the laboratory using constant shear drained …

Prediction of undrained behavior of isotropically and anisotropically consolidated Firoozkuh sand: instability and flow liquefaction

A Lashkari, A Karimi, K Fakharian… - International Journal …, 2017 - ascelibrary.org
Recent experimental findings highlight the impact of anisotropic consolidation on triggering
flow liquefaction failures. Results of a series of undrained tests on isotropic and anisotropic …

Failure mechanisms of sand under asymmetrical cyclic loading conditions: experimental observation and constitutive modelling

K Pan, TT Xu, D Liao, ZX Yang - Géotechnique, 2022 - icevirtuallibrary.com
In practical engineering, natural soil deposits often sustain an initial driving force prior to
cyclic shear, owing to earthquakes, traffic and waves; such asymmetrical loading conditions …

Undrained true triaxial response of initially anisotropic particulate assemblies using CFM-DEM

MJ Salimi, A Lashkari - Computers and Geotechnics, 2020 - Elsevier
While simulation of the drained true triaxial response of particulate assemblies using
discrete element method (DEM) has caught the attention of researchers in the recent years …

Effects of over-consolidation history on flow instability of clean and silty sands

A Lashkari, PT Shourijeh, SSS Khorasani, N Irani… - Acta Geotechnica, 2022 - Springer
This article presents an experimental program under the constant volume condition to
investigate the influence of over-consolidation on flow instability of clean and silty sand …