RESULTS
Effect of the bulk density on the water
retention curve and soil shrinkage
The development of the WRC depends on
the soil density as well as on soil structure
(Fig. 1). As expected, the saturated water
content (qs) decreases with increasing bulk
density (Tab. 2). The development of the
WRC for the structured samples (Ps and
Ms) differs from that of the homogenized
material (Ph and Mh), even if they have a
nearly similar water content at saturation.
It is noticeable that the