Impact of the overall regularity and related granulometric characteristics on the critical state soil mechanics of natural sands: a state-of-the-art review

A Cherif Taiba, Y Mahmoudi, H Azaiez… - Geomechanics and …, 2023 - Taylor & Francis
This research aims to establish accurate correlations between critical state characteristics
and particle shape parameters in terms of overall regularity (OR), considering the gradation …

A review of the studies on soil-EPS composites: Beads and blocks

A Khajeh, R Jamshidi Chenari, M Payan - Geotechnical and Geological …, 2020 - Springer
Expanded polystyrene (EPS) is a polymeric material whose low density and high
strength/density ratio has made it renowned to be used as a lightweight geosynthetic in the …

[HTML][HTML] Shear-induced anisotropy of granular materials with rolling resistance and particle shape effects

S Zhao, TM Evans, X Zhou - International Journal of Solids and Structures, 2018 - Elsevier
The rolling resistance model has been employed in the discrete element modelling in
geomechanics, as an alternative computationally efficient approach to capture the …

A poly‐superellipsoid‐based approach on particle morphology for DEM modeling of granular media

S Zhao, J Zhao - … Journal for Numerical and Analytical Methods …, 2019 - Wiley Online Library
Particle morphology plays a key role in affecting physical and mechanical behaviors of
granular media. While various mathematical approaches and shape descriptors have been …

Hierarchical Bayesian model for predicting small-strain stiffness of sand

Y Tao, KK Phoon, H Sun, Y Cai - Canadian Geotechnical …, 2023 - cdnsciencepub.com
This paper develops a hierarchical Bayesian model (HBM) that integrates the physical
knowledge and the test data to predict the small-strain shear modulus G max for a target …

Limit analysis of lateral earth pressure on geosynthetic-reinforced retaining structures using finite element and second-order cone programming

H Fathipour, M Payan, RJ Chenari - Computers and Geotechnics, 2021 - Elsevier
In this paper, a thorough numerical study is conducted to rigorously evaluate the lateral
earth pressures exerted on the retaining walls backfilled with geosynthetic-reinforced soil …

Limit analysis of modified pseudodynamic lateral earth pressure in anisotropic frictional medium using finite-element and second-order cone programming

H Fathipour, AS Siahmazgi, M Payan… - International Journal …, 2021 - ascelibrary.org
This paper aims at analyzing the active and passive lateral earth pressures exerted on
retaining walls due to the anisotropic medium of dry and noncohesive backfill subjected to …

Shape characteristics of coral sand from the South China Sea

X Wang, Y Wu, J Cui, CQ Zhu, XZ Wang - Journal of Marine Science and …, 2020 - mdpi.com
The particle shape of coral sand is a crucial factor that affects its accumulation
characteristics. Two-dimensional particle images of coral sand with different particle sizes …

Discrete element modeling of crushable sands considering realistic particle shape effect

R Fu, X Hu, B Zhou - Computers and Geotechnics, 2017 - Elsevier
This study proposed a novel approach for generating crushable agglomerates with realistic
particle shapes in discrete element modeling (DEM). The morphologies of sand particles …

Lower bound analysis of modified pseudo‐dynamic lateral earth pressures for retaining wall‐backfill system with depth‐varying dam** using FEM‐Second order …

H Fathipour, M Payan… - … for Numerical and …, 2021 - Wiley Online Library
Realistic constitutive ground models are critical in the evaluation of soil‐structure interaction
problems and the assessment of key design parameters in the seismic analysis of …