Scheduled presentations:

• Keynote Comparative Analysis of Softening Contact laws in Particle Models: Application to Rock and Concrete
  *N. Monteiro Azevedo (LNEC), M. Braga Farinha (LNEC), S. Oliveira (LNEC)
• Role of breakage in the polyhedral discrete element model of railway ballast
  *Á. Orosz (Budapest Univ. of Technology and Economics), K. Tamás (Budapest Univ. of Technology and Economics), K. Bagi (Budapest Univ. of Technology and Economics)
• Discrete Element and Experimental Analysis of Marginal Road Materials
  *K. Etikan (KTH Royal Institute of Techonology), D. Jelagin (KTH Royal Institute of Techonology), E. Olsson (Luleå University of Technology), M. Partl (KTH Royal Institute of Techonology)
• Sanded wheel-rail contacts: DEM simulation of single sand grain crushing
  *B. Suhr (Virtual Vehicle Research GmbH), K. Six (Virtual Vehicle Research GmbH)
• Discrete Element Modelling of the Tensile Failure of Porous Rocks
  *C. Szuszik (University of Debrecen), F. Kun (University of Debrecen)