Optimization of Ionic Soil Stabilizer Dilution and Understanding the Mechanism in Red Clay Treatment

Table 4

Plasticity index of red clay treated by different ISS/H₂O mixture ratios.

Sample	ISS/H2O volume ratio	Plastic index IP (%)	Liquid limit WL (%)	Plastic limit WP (%)
I0	0	33.59	57.86	24.27
I1	1 : 50	29.10	52.42	23.32
I2	1 : 100	29.13	52.02	22.89
I3	1 : 150	30.72	52.88	22.16
I4	1 : 200	28.84	50.98	22.14
I5	1 : 250	30.96	54.32	23.36
I6	1 : 300	31.33	53.84	22.51
I7	1 : 350	29.74	53.42	23.68
I8	1 : 400	30.51	53.31	22.80