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 …

Fly ash effects on the stress-dilatancy relation of coarse soils: Particle morphology role

A Taibi, Y Mahmoudi, A Cherif Taiba, H Azaiez… - Geotechnical and …, 2023 - Springer
The influence of the overall regularity and gradation characteristics on the stress-dilatancy
relations of a river sand amended with fly ash material is discussed in this paper. To achieve …

Modeling of flexible membrane boundary using discrete element method for drained/undrained triaxial test

Z Li, JK Chow, J Li, P Tai, Z Zhou - Computers and Geotechnics, 2022 - Elsevier
A modeling method for the particle-based flexible membrane boundary for the
drained/undrained triaxial test is proposed herein. First, the particle placement manner to …

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 …

Comparative Study of Stress History Effects on Shear-Deformation Relations of Sands from the Mediterranean Region Integrating Specimen Preparation Techniques

Y Mahmoudi, AC Taiba, M Belkhatir - International Journal of …, 2024 - ascelibrary.org
Despite several parameters having been identified as having an impact on the undrained
monotonic response of granular soils, the impact of the overconsolidation ratio (OCR) is still …

Comprehensive laboratory study on stress–strain of granular soils at constant global void ratio: combined effects of fabrics and silt content

Y Mahmoudi, A Cherif Taiba, L Hazout, M Belkhatir - Acta Geotechnica, 2022 - Springer
The published literature has revealed conflicting results regarding the effect of low plastic
fines fraction (I p≤ 5.0%) on the mechanical behavior of sandy soils. For this reason, the use …

Characterization of granular materials treated with fly ash for road infrastructure applications

H Azaiez, AC Taiba, Y Mahmoudi… - Transportation …, 2021 - Springer
This paper presents the results of an experimental investigation carried out to evaluate the
effects of fly ash (FA) on the coarse-grained soils compaction response and shear …

Characterization of mechanical behavior of binary granular assemblies through the equivalent void ratio and equivalent state parameter

Y Mahmoudi, A Cherif Taiba, M Belkhatir… - European Journal of …, 2022 - Taylor & Francis
The proposed research of this experimental investigation aims to study the effects of fines
content, fabrics type and confining pressure on the undrained shear strength response of …

One-dimensional compression behavior of river silty sand: emphasizing the equivalent void ratio concept

Y Mahmoudi, AC Taiba, M Belkhatir - International Journal of …, 2024 - ascelibrary.org
Previously, studies have recognized that the characterization of the compression behavior of
sand–silt mixtures that use different void ratio concepts is controversial and incomplete …

Polyurethane foam adhesive with fly ash as a sustainable stabilizer

H Azaiez, A Cherif Taiba, Y Mahmoudi… - International Journal of …, 2024 - Taylor & Francis
This experimental research work investigates the role of polyurethane foam adhesive (PFA)
in evaluating the unconfined compressive strength (UCS) of three different types of sands …