Search Results - "Sibille, Luc"
-
1
Effects of Hydraulic Loading History on Suffusion Susceptibility of Cohesionless Soils
Published in Journal of geotechnical and geoenvironmental engineering (01-07-2017)“…AbstractSuffusion is a selective erosion of fine particles under the effect of seepage flow within the matrix of coarser particles. This complex phenomenon…”
Get full text
Journal Article -
2
Imaging local soil kinematics during the first days of maize root growth in sand
Published in Scientific reports (15-11-2021)“…Maize seedlings are grown in Hostun sand with two different gradings and two different densities. The root-soil system is imaged daily for the first 8 days of…”
Get full text
Journal Article -
3
Experimental investigation of microstructural changes in soils eroded by suffusion using X-ray tomography
Published in Acta geotechnica (01-06-2019)“…Internal erosion is a complex phenomenon which represents one of the main risks to the safety of earthen hydraulic structures such as embankment dams, dikes or…”
Get full text
Journal Article -
4
Assessing the susceptibility of gap-graded soils to internal erosion: proposition of a new experimental methodology
Published in Natural hazards (Dordrecht) (01-08-2016)“…Suffusion and global backward erosion are two of the main internal erosion processes in earth structures and their foundations which may increase their failure…”
Get full text
Journal Article -
5
A description of internal erosion by suffusion and induced settlements on cohesionless granular matter
Published in Acta geotechnica (01-12-2015)“…Cohesionless granular matter subjected to internal flow can incur an internal erosion by suffusion characterized by a migration of its finest constituting…”
Get full text
Journal Article -
6
Soil microstructural changes induced by suffusion: x-ray computed tomography characterization
Published in E3S Web of Conferences (01-01-2019)“…Suffusion is one mechanism of internal erosion, which occurs in gap-graded or broadly graded soils when the fine particles are detached and transported by the…”
Get full text
Journal Article Conference Proceeding -
7
Root-reinforced sand: kinematic response of the soil
Published in E3S Web of Conferences (01-01-2019)“…The influence of the soil on the growth of a root system has been largely investigated. By contrast, the aim of this work is to go deep into the details of how…”
Get full text
Journal Article Conference Proceeding -
8
A numerical photogrammetry technique for measuring microscale kinematics and fabric in Schneebeli materials
Published in Granular matter (01-06-2007)“…We present a numerical photogrammetry technique for obtaining semi–automated measurements concerning kinematic fields, i.e. translation and rotation of each…”
Get full text
Journal Article -
9
Multiscale modeling of transport of grains through granular assemblies
Published in EPJ Web of Conferences (01-01-2017)“…We investigate the transport of moderately large passive particles through granular assemblies caused by seeping flows. This process can only be described by…”
Get full text
Journal Article Conference Proceeding -
10
From continuum analytical description to discrete numerical modelling of localized fluidization in granular media
Published in EPJ Web of Conferences (01-01-2017)“…We present analytical and numerical results on localized fluidization within a granular layer subjected to a local injection of fluid. As the injection rate…”
Get full text
Journal Article Conference Proceeding -
11
Constitutive response predictions of both dense and loose soils with a discrete element model
Published in Computers and geotechnics (01-07-2021)“…The capability of a discrete element model to predict the constitutive response of a soil is investigated in this paper. The discrete model is constituted of…”
Get full text
Journal Article -
12
Prediction ability of discrete element model of loose granular media subjected to complex loadings
Published in Powder technology (15-01-2024)“…The discrete numerical method is recognised today as a powerful method to describe the constitutive behaviour of granular media at both the scale of particles…”
Get full text
Journal Article -
13
Internal erosion in granular media: direct numerical simulations and energy interpretation
Published in Hydrological processes (30-04-2015)“…Internal erosion in soils is characterized by a first step of detachment of solid particles from the granular skeleton under the action of water seepage; then…”
Get full text
Journal Article -
14
Modeling of fluid-solid interaction in granular media with coupled lattice Boltzmann/discrete element methods: application to piping erosion
Published in International journal for numerical and analytical methods in geomechanics (25-04-2013)“…SUMMARY In this article, we present a numerical method to deal with fluid–solid interactions and simulate particle–fluid systems as encountered in soils. This…”
Get full text
Journal Article -
15
Discrete numerical modeling of loose soil with spherical particles and interparticle rolling friction
Published in Granular matter (01-02-2017)“…Discrete numerical simulations were carried out to reproduce experimental results obtained on loose cohesionless soil samples subjected to triaxial tests…”
Get full text
Journal Article -
16
Granular plasticity, a contribution from discrete mechanics
Published in Journal of the mechanics and physics of solids (01-02-2015)“…Failures by divergence instabilities in rate-independent non-associated material, such as granular matter, can occur from mechanical states described by the…”
Get full text
Journal Article -
17
A discrete numerical model involving partial fluid-solid coupling to describe suffusion effects in soils
Published in Computers and geotechnics (01-03-2018)“…Suffusion is a particular case of internal erosion in soils. It is a particle-scale mechanism involving the selective erosion of fine particles within the…”
Get full text
Journal Article -
18
Failure in rate-independent granular materials as a bifurcation toward a dynamic regime
Published in International journal of plasticity (01-02-2012)“…► Investigation of failure in specimens made up of granular materials. ► Incompatibility between internal stress within the material and boundary forces. ►…”
Get full text
Journal Article -
19
Investigations of bioinspired soil penetration strategies via a numerical model: Does radial expansion improve soil intruder performances?
Published in Acta geotechnica (01-03-2024)“…This paper investigates the performances shown during underground exploration by a plant root-inspired soil intruder. Plant roots are efficient soil explorers,…”
Get full text
Journal Article -
20
Quantitative prediction of discrete element models on complex loading paths
Published in International journal for numerical and analytical methods in geomechanics (10-04-2019)“…Summary The ability of discrete element models to describe quantitatively (and not only qualitatively) the constitutive behaviour of a dense sand is assessed…”
Get full text
Journal Article