Effect of Calcium Carbonate on the Mechanical Properties and Microstructure of Red Clay

Table 2

Soil and pore parameters obtained by PCAS software.

Parameter (%)	0	5	10	15	20
Pore number	433.6	488.8	679.8	600.8	495.2
Porosity (%)	21.55	22.11	23.86	24.09	28.15
Maximum region area (μm^2)	1.639	0.224	0.154	0.234	0.209
Average region area (μm^2)	0.016	0.004	0.003	0.004	0.005
Average form factor	0.400	0.402	0.367	0.369	0.367
Probability entropy	0.979	0.984	0.988	0.989	0.986
Fractal dimension	1.231	1.236	1.205	1.228	1.218