The objectives of this contribution are to analyse and quantify the segregation process of water saturated
mixtures flowing down steep chutes.
Experiments were carried out using two granular mixtures, a steep chute of variable length and a col-
lecting box divided by sectors, in which the flowing material freely falls down at the chute outlet. The
flow characteristics, the filling in time of the box itself, the grain-size composition of the box content with
varying the distance from the chute outlet are examined by means of laser level transducers, image anal-
ysis and sieving.
Segregation is effective and rapid along the flow direction, showing a modest dependence on mixture
grain-size composition. The grain-size composition profile in time is reconstructed, showing coarser par-
ticles concentrated at the flow front, on the flow surface and at the sides, whereas fine fractions prevail at
the tail and at the bottom
