Yielding of rockfill in relative humidity-controlled triaxial experiments

EE Alonso, EE Romero, E Ortega - Acta Geotechnica, 2016 - Springer
The paper reports the results of suction-controlled triaxial tests performed on compacted
samples of two well-graded granular materials in the range of coarse sand–medium gravel …

Effects of repeated hydraulic loads on microstructure and hydraulic behaviour of a compacted clayey silt

A Azizi, G Musso, C Jommi - Canadian Geotechnical Journal, 2020 - cdnsciencepub.com
Soils used in earth construction projects are mostly unsaturated, and they undergo frequent
drying–wetting cycles (repeated hydraulic loads) due to changes in climatic conditions or …

An elasto-plastic model of unsaturated soil with an explicit degree of saturation-dependent CSL

J Li, ZY Yin, YJ Cui, K Liu, JH Yin - Engineering Geology, 2019 - Elsevier
Use of a sophisticated model to conduct simulation analysis of both contractive and dilative
behaviours in unsaturated soils during the shear stage remains challenging. This paper …

[HTML][HTML] Strength and dilatancy of an unsaturated expansive soil at high suction levels

K Chen, X He, F Liang, D Sheng - Journal of Rock Mechanics and …, 2024 - Elsevier
A series of suction-controlled triaxial tests was conducted on Nanyang expansive clay to
investigate the effects of dry density and suction on dilatancy and strength. The suction of the …

A microstructure-based elastoplastic model to describe the behaviour of a compacted clayey silt in isotropic and triaxial compression

G Musso, A Azizi, C Jommi - Canadian Geotechnical Journal, 2020 - cdnsciencepub.com
The paper focuses on the hydromechanical behaviour of an unsaturated compacted clayey
silt, accounting for fabric changes induced by drying–wetting cycles occurring at low stress …

Dilatancy of coarse granular aggregates

EE Alonso, EFO Iturralde, EE Romero - Experimental unsaturated soil …, 2007 - Springer
Coarse granular materials such as rockfill have been described in recent years by means of
strain and work hardening plasticity models Oldecop and Alonso (2001), Chàvez and …

Effect of suction and confining pressure on shear strength and dilatancy of highly compacted silty sand: Single-stage versus multistage triaxial testing

XA Rivera-Hernandez… - Geotechnical …, 2021 - asmedigitalcollection.asme.org
Evaluating short-and long-term performance of engineered earthen structures and slopes
requires proper understanding of the behavior of compacted and highly compacted soils …

Modeling stress–dilatancy behavior of compacted silty sand under suction-controlled axisymmetric shearing

UD Patil, LR Hoyos, AJ Puppala… - Geotechnical and …, 2018 - Springer
A thorough stress–dilatancy analysis of statically compacted silty sand is presented based
on results from a comprehensive suction-controlled (drained) triaxial test program. Induced …

Residual strength of a low plasticity clay at high suctions

J Vaunat, C Amador, E Romero… - Unsaturated Soils …, 2006 - ascelibrary.org
In this paper, tests conducted on a low plasticity clay in a Bromhead ring shear apparatus
adapted to allow for suction control during the shearing phase are presented. Conclusions …

Geotechnical properties of an unsaturated pyroclastic soil from Roma

E Cattoni, M Cecconi, V Pane - Bulletin of Engineering Geology and the …, 2007 - Springer
The paper presents the results of an experimental investigation on the mechanical
behaviour of an unsaturated pyroclastic soil typical of the subsoil of Roma (Italy). In its …