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R ICHEFEU V. E L Y OUSSOUFI M. S. R ADJAI F. 2006 Shear strength properties of wet granular materials. HAL Id hal-01223545 https //hal.archives-ouvertes. fr/hal-01223545 Submitted on 11 Jan 2017 HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents whether they are published or not. In this pendular state each bridge connects only two particles and hence...
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R ICHEFEU V. E L Y OUSSOUFI M. S. R ADJAI F. 2006 Shear strength properties of wet granular materials. HAL Id hal-01223545 https //hal.archives-ouvertes. fr/hal-01223545 Submitted on 11 Jan 2017 HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents whether they are published or not. In this pendular state each bridge connects only two particles and hence its effect is fully captured by an attraction

2006

force depending on the distance between two particles Israelachvili 1993 Willett et al. 2000 Fournier et al. 2005 Richefeu El Youssoufi Radjai 2006 Gilabert Roux Castellanos 2008 Radja Richefeu 2009 Richefeu et al. 2009. The evolution of wet connectivities Pn with S shown in figure 2 b is dual to that of Cm. In the pendular state as C2 increases due to new capillary bridges P2 and P3 decline in favour of

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P4 and P5. Y UAN P. S CHAEFER L. 2006 Equations of state in a lattice Boltzmann model. Phys. Fluids 18 042101. L archive ouverte pluridisciplinaire HAL est destin ee au d ep ot et a la diffusion de documents scientifiques de niveau recherche publi es ou non emanant des etablissements d enseignement et de recherche fran cais ou etrangers des laboratoires publics ou priv es. 1Ing nierie des Agropolym res et Technologies

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Emergentes IATE UMR 1208 INRA CIRAD Montpellier Supagro Universit Montpellier 2 2 place Pierre Viala 34060 CEDEX Montpellier France 2Laboratoire Sols Solides Structures Risques 3SR UMR 5521 CNRS UJF Grenoble 1 Grenoble INP 38041 CEDEX 9 Grenoble France 3Laboratoire de M canique et G nie Civil LMGC UMR 5508 Universit Montpellier 2 CNRS 34095 Montpellier France 4MultiScale Material Science for Energy and Environment UMI 3466 CNRS-MIT DCEE Massachusetts

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Institute of Technology 77 Massachusetts Avenue Cambridge CA 02139 USA By means of extensive lattice Boltzmann simulations we investigate the process of growth and coalescence of liquid clusters in a granular material as the amount of liquid increases. The pendular state corresponds to the range S 0. 15 where p declines down to 15 /d reflecting t he f ast d ecrease o f t he c urvature o f b inary l

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iquid b ridges despite the increase of C2. A particle-based approach was recently pioneered in tomographic studies of the morphology of liquid clusters in the pore space for granular samples mixed with a certain amount of liquid Scheel et al. 2008. The authors evidenced the ramified s tructure o f t he l iquid a nd t he coalescence of liquid clusters as S was increased from the pendular regime where the liquid

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is in the form of capillary bridges joining pairs of grains into the funicular regime where In this paper we are interested in the distribution of liquid in a granular material and its relationship with capillary stresses as the liquid fills t he p ore s pace gradually and homogeneously. The documents may come from teaching and research institutions in France or abroad or from public or private research centers. A homogeneous

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