Search Results - "Saussine, Gilles"

Effects of inclusion contents on resilient modulus and damping ratio of unsaturated track-bed materials by Wang, Han-Lin, Cui, Yu-Jun, Lamas-Lopez, Francisco, Dupla, Jean-Claude, Canou, Jean, Calon, Nicolas, Saussine, Gilles, Aimedieu, Patrick, Chen, Ren-Peng

“…For the French conventional railway lines, a layer, namely interlayer, was created in the substructure mainly by the interpenetration of ballast grains and…”
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An Efficient Numerical Model to Predict the Mechanical Response of a Railway Track in the Low-Frequency Range by El Moueddeb, Maryam, Louf, François, Boucard, Pierre-Alain, Dadié, Franck, Saussine, Gilles, Sorrentino, Danilo

“…With railway interoperability, new trains are allowed to move on the French railway network. These trains may present different designs from standard trains…”
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Penetration test in coarse granular material using Contact Dynamics Method by Quezada, Juan Carlos, Breul, Pierre, Saussine, Gilles, Radjai, Farhang

“…Field tests are widely used for soil characterization in geotechnical applications in spite of implementation difficulties. The light penetrometer is a…”
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Statistical analysis of cone penetration resistance of railway ballast by Saussine, Gilles, Dhemaied, Amine, Delforge, Quentin, Benfeddoul, Selim

“…Dynamic penetrometer tests are widely used in geotechnical studies for soils characterization but their implementation tends to be difficult. The light…”
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Analysis of compaction of railway ballast by different maintenance methods using DEM by Ferellec, Jean-Francois, Perales, Robert, Nhu, Viet-Hung, Wone, Michel, Saussine, Gilles

“…Railway traffic continuously increasing, ballasted tracks need more efficient maintenance processes. Lines with long welded rails which are prone to buckling…”
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Stability, deformation, and variability of granular fills composed of polyhedral particles by Quezada, Juan Carlos, Breul, Pierre, Saussine, Gilles, Radjai, Farhang

“…By means of extensive contact dynamics simulations, we investigate the mechanical equilibrium and deformation of a granular material composed of irregular…”
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Investigation on the mechanical behavior of track-bed materials at various contents of coarse grains by Wang, Han-Lin, Cui, Yu-Jun, Lamas-Lopez, Francisco, Calon, Nicolas, Saussine, Gilles, Dupla, Jean-Claude, Canou, Jean, Aimedieu, Patrick, Chen, Ren-Peng

“…•Investigation of volumetric content of coarse grains on mechanical behaviour.•Identification of characteristic volumetric content of coarse…”
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Permanent Deformation of Track-Bed Materials at Various Inclusion Contents under Large Number of Loading Cycles by Wang, Han-Lin, Cui, Yu-Jun, Lamas-Lopez, Francisco, Dupla, Jean-Claude, Canou, Jean, Calon, Nicolas, Saussine, Gilles, Aimedieu, Patrick, Chen, Ren-Peng

“…AbstractIn the French conventional railway substructure, the interpenetration of ballast grains and subgrade fine soils that occurred over years of operation…”
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Use of a bituminous mixture layer in high-speed line trackbeds by Ramirez Cardona, Diego, Di Benedetto, Hervé, Sauzeat, Cédric, Calon, Nicolas, Saussine, Gilles

“…•Observed improvements in track performance with sub-ballast bituminous layer.•Lower maintenance needs for the track section with sub-ballast bituminous…”
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Quasistatic rheology, force transmission and fabric properties of a packing of irregular polyhedral particles by Azéma, E., Radjai, F., Saussine, G.

“…By means of contact dynamics simulations, we investigate a dense packing composed of irregular polyhedral particles under quasistatic shearing. The effect of…”
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Predicting the settlement of coarse granular materials under vertical loading by Quezada, Juan Carlos, Saussine, Gilles, Breul, Pierre, Radjaï, Farhang

“…Granular materials are widely used in industrial processes despite their complex and poorly understood mechanical behaviour both in static and dynamic regimes…”
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Reliability analysis of maintenance operations for railway tracks by Rhayma, N., Bressolette, Ph, Breul, P., Fogli, M., Saussine, G.

“…Railway engineering is confronted with problems due to degradation of the railway network that requires important and costly maintenance work. However, because…”
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Modelling ballast behaviour under dynamic loading. Part 1: A 2D polygonal discrete element method approach by Saussine, G., Cholet, C., Gautier, P.E., Dubois, F., Bohatier, C., Moreau, J.J.

“…Discrete element simulation provides some insight into the alteration of railway ballast after repeated train passings. The present Part 1 is devoted to a 2D…”
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A lightweight numerical model of railway track to predict mechanical stress state in the rail by El Moueddeb, Maryam, Louf, Francois, Boucard, Pierre-Alain, Dadié, Franck, Saussine, Gilles, Sorrentino, Danilo

“…A new approach is conducted within sncf réseau to redefine and improve the current procedure behind rolling stocks admission. A perspective to update…”
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Force transmission in a packing of pentagonal particles by Azéma, Emilien, Radjaï, Farhang, Peyroux, Robert, Saussine, Gilles

“…We perform a detailed analysis of the contact force network in a dense confined packing of pentagonal particles simulated by means of the contact dynamics…”
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A domain decomposition method for granular dynamics using discrete elements and application to railway ballast by Hoang, Thi Minh Phuong, Alart, Pierre, Dureisseix, David, Saussine, Gilles

“…The paper is devoted to the development of a non overlapping domain decomposition method suited to granular dynamics. The formulation and the efficiency of…”
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Short-time dynamics of a packing of polyhedral grains under horizontal vibrations by Azéma, E., Radjaï, F., Peyroux, R., Richefeu, V., Saussine, G.

“… We analyze the dynamics of a 3D granular packing composed of particles of irregular polyhedral shape confined inside a rectangular box with a retaining wall…”
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Vibrational dynamics of confined granular materials by Azéma, Emilien, Radjaï, Farhang, Peyroux, Robert, Dubois, Frédéric, Saussine, Gilles

“…By means of two-dimensional contact dynamics simulations, we analyze the vibrational dynamics of a confined granular layer in response to harmonic forcing. We…”
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Quasistatic behavior and force transmission in packing of irregular polyhedral particles by Azema, Émilien, Radjaï, Farhang, Saussine, Gilles

“…Dense packings composed of irregular polyhedral particles are investigated by numerical simulations under quasistatic triaxial compression. The Contact…”
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Domain decomposition with discrete element simulations using shared-memory parallel computing for railways applications by Hoang, T.M.P., Saussine, G., Dureisseix, D., Alart, P.

“…Numerical simulation with discrete elements leads to several issues for large-scale problems and long loading times, as for the granular dynamic simulations of…”
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