3.1 Results of consistency tests of untreated and treated Barika
CL soil with hydrated lime
The Atterberg limits tests results regarding Barika CL soil and hydrated
lime mixtures at various percentages are presented in Table 3. The
reduction in liquid limit and plasticity index is a consequence of
exchanges between the free calcium of the hydrated lime and the absorbed
cations of the clay mineral. This leads to a decrease in the size of the
diffused water layer encircling the clay particles. The decrease in the
size of the diffused water layer facilitates closer contact between the
clay particles resulting in flocculation/agglomeration of these
particles.
Table 3: Consistency tests results of untreated and treated
samples of Barika CL soil by hydrated lime.