A DEM study of the effect of the loss of fine particles on the mechanical behavior of gap-graded soils

Wan, 2008, Assessing the potential of internal instability and suffusion in embankment dams and their foundations, J Geotech Geoenviron Eng, 134, 401, 10.1061/(ASCE)1090-0241(2008)134:3(401) Sail, 2011, Suffusion tests on cohesionless granular matter, Eur J Environ Civ Eng, 15, 799 Nguyen CD, Benahmed N, Andò E, Sibille L, Philippe P. Soil microstructural changes induced by suffusion: x-ray computed tomography characterization. In: E3S Web of Conferences, Vol. 92; 2019:01010. Sterpi, 2003, Effects of the erosion and transport of fine particles due to seepage flow, Int J Geomech, 3, 111, 10.1061/(ASCE)1532-3641(2003)3:1(111) Chen, 2016, Stress-strain behavior of granular soils subjected to internal erosion, J Geotech Geoenviron Eng, 142, 06016014, 10.1061/(ASCE)GT.1943-5606.0001561 Hosn RA, Benahmed N, Nguyen CD, Sibille L, Philippe P, Chareyre B. Effects of suffusion on the soil’s mechanical behavior: Experimental investigations. In: European Working Group on Internal Erosion; 2018:3–15. Chang, 2011, A stress-controlled erosion apparatus for studying internal erosion in soils, Geotech Test J, 34, 579 Ke, 2014, Experimental investigations on suffusion characteristics and its mechanical consequences on saturated cohesionless soil, Soils Found, 54, 713, 10.1016/j.sandf.2014.06.024 Rousseau, 2020, Modelling the poroelastoplastic behaviour of soils subjected to internal erosion by suffusion, Int J Numer Anal Methods Geomech, 44, 117, 10.1002/nag.3014 Hicher, 2013, Modelling the impact of particle removal on granular material behaviour, Géotechnique, 63, 118, 10.1680/geot.11.P.020 Lominé, 2013, Modeling of fluid–solid interaction in granular media with coupled lattice Boltzmann/discrete element methods: application to piping erosion, Int J Numer Anal Methods Geomech, 37, 577, 10.1002/nag.1109 Tran, 2017, Numerical modelling of backward front propagation in piping erosion by DEM-LBM coupling, Eur J Environ Civ Eng, 21, 960, 10.1080/19648189.2016.1248794 Froiio, 2019, A numerical experiment of backward erosion piping: kinematics and micromechanics, Meccanica, 54, 2099, 10.1007/s11012-019-01071-7 Robinson M, Luding S, Ramaioli M. SPH-DEM simulations of grain dispersion by liquid injection. In: AIP Conference Proceedings, Vol. 1542. No. 1; 2013:1122–1125. Chareyre, 2012, Pore-scale modeling of viscous flow and induced forces in dense sphere packings, Transp Porous Media, 94, 595, 10.1007/s11242-012-0057-2 Zhao, 2013, Coupled CFD–DEM simulation of fluid–particle interaction in geomechanics, Powder Technol, 239, 248, 10.1016/j.powtec.2013.02.003 Aboul-Hosn, 2017 Hu, 2019, Suffusion-induced deformation and microstructural change of granular soils: a coupled CFD–DEM study, Acta Geotech, 14, 795, 10.1007/s11440-019-00789-8 Kawano, 2018, Coupled particle-fluid simulations of the initiation of suffusion, Soils Found, 58, 972, 10.1016/j.sandf.2018.05.008 Wood, 2008, Changing grading of soil: effect on critical states, Acta Geotech, 3, 3, 10.1007/s11440-007-0041-0 Wood, 2010, Modelling mechanical consequences of erosion, Géotechnique, 60, 447, 10.1680/geot.2010.60.6.447 Scholtès, 2010, Multiscale approaches to describe mechanical responses induced by particle removal in granular materials, C R Méc, 338, 627, 10.1016/j.crme.2010.10.003 Kenney, 1985, Internal stability of granular filters, Can Geotech J, 22, 215, 10.1139/t85-029 Seblany, 2021, Determination of the opening size of granular filters, Int J Numer Anal Methods Geomech, 10.1002/nag.3198 Nguyen, 2021, A new Delaunay triangulation-based approach to characterize the pore network in granular materials, Acta Geotech, 1 Radjai, 1998, Bimodal character of stress transmission in granular packings, Phys Rev Lett, 80, 61, 10.1103/PhysRevLett.80.61 Šmilauer, 2015 Taha, 2019, Micro-scale investigation of the role of finer grains in the behavior of bidisperse granular materials, Granul Matter, 21, 28, 10.1007/s10035-019-0867-9 Chang, 2013, Extended internal stability criteria for soils under seepage, Soils Found, 53, 569, 10.1016/j.sandf.2013.06.008 Moreau, 1997, Numerical investigation of shear zones in granular materials, 233 Voivret, 2009, Multiscale force networks in highly polydisperse granular media, Phys Rev Lett, 102, 10.1103/PhysRevLett.102.178001 Peters, 2005, Characterization of force chains in granular material, Phys Rev E, 72, 10.1103/PhysRevE.72.041307