Explainable machine learning model for liquefaction potential assessment of soils using XGBoost-SHAP

K Jas, GR Dodagoudar - Soil Dynamics and Earthquake Engineering, 2023 - Elsevier
Most of the existing machine learning (ML)-based models for liquefaction assessment of
soils are black-box in nature. Database considered in the existing studies for model …

Effect of fabric anisotropy on the cyclic liquefaction of sands: Insight from DEM simulations

A Zhang, M Jiang, D Wang - Computers and Geotechnics, 2023 - Elsevier
To interpret the effects of fabric anisotropy on the cyclic liquefaction of sands, undrained
cyclic triaxial tests on the vertical and horizontal specimens were simulated using the …

Formulation of a sand plasticity plane-strain model for earthquake engineering applications

RW Boulanger, K Ziotopoulou - Soil Dynamics and Earthquake …, 2013 - Elsevier
The formulation of a sand plasticity model for geotechnical earthquake engineering
applications is presented. The model follows the basic framework of the stress-ratio …

Evaluation and analysis of liquefaction potential of gravelly soils using explainable probabilistic machine learning model

K Jas, S Mangalathu, GR Dodagoudar - Computers and Geotechnics, 2024 - Elsevier
Majority of the presently available machine learning (ML) models employed to assess the
liquefaction potential of soils are for sands or sands containing silt fraction. In the current …

Calibration and implementation of a sand plasticity plane-strain model for earthquake engineering applications

K Ziotopoulou, RW Boulanger - Soil Dynamics and Earthquake …, 2013 - Elsevier
The calibration and implementation of a sand plasticity plane-strain model for geotechnical
earthquake engineering applications are presented. The constitutive model, as described by …

Simulations of a centrifuge test with lateral spreading and void redistribution effects

R Kamai, RW Boulanger - Journal of Geotechnical and …, 2013 - ascelibrary.org
Numerical simulations of a centrifuge test, in which dissipation patterns, lateral spreading,
and shear strain localization were measured and recorded, are performed for validation of …

A modified pressure dependent multi-yield surface model for simulation of LEAP-Asia-2019 centrifuge experiments

MA Elbadawy, YG Zhou, K Liu - Soil Dynamics and Earthquake …, 2022 - Elsevier
A modified flow rule has been introduced into a pressure dependent multi-yield surface
model for predicting the liquefaction of laboratory soil element tests and centrifuge …

Coupled SPH-DEM simulations of liquefaction-induced flow failure

U El Shamy, SF Sizkow - Soil Dynamics and Earthquake Engineering, 2021 - Elsevier
A fully Lagrangian particle-based method for coupled fluid-particle interaction is utilized to
evaluate flow liquefaction of saturated granular soils overlain by an impermeable crust. The …

Evaluation of simulation models of lateral spread sites treated with prefabricated vertical drains

R Howell, EM Rathje, RW Boulanger - Journal of Geotechnical and …, 2015 - ascelibrary.org
Finite-element analyses are performed of centrifuge tests consisting of untreated and drain-
treated lateral spread sites, with the goal of evaluating the ability of numerical simulations to …

Liquefaction induced strength loss and deformation: simulation and design

RW Boulanger, R Kamai, K Ziotopoulou - Bulletin of Earthquake …, 2014 - Springer
Estimates of earthquake-induced deformations for geotechnical structures affected by
liquefaction can involve significant uncertainties stemming from the uncertainty in the in-situ …