The Mechanical Properties of Alkali-Activated Slag-Silica Fume Cement Pastes by Mixing Method

International Journal of Concrete Structures and Materials

Table 5 Analysis of total porosity and pore distribution according to mixing method (from MIP analysis).

	Age	10S	10S-T	5S5F	5S5F-T	5S5F-TA	5S5F-TB
Total porosity (%)	1 day	36.9	34.9	33.4	33.0	31.3	31.8
Total porosity (%)	28 days	35.8	33.3	33.7	32.1	31.5	30.8
Large capillary pores (10–0.05 µm) (%)	1 day	2.12	2.16	2.43	2.36	1.95	1.79
Large capillary pores (10–0.05 µm) (%)	28 days	1.98	2.35	1.94	1.53	1.79	0.88
Medium capillary pores (0.05–0.01 µm) (%)	1 day	86.89	83.77	86.05	86.57	82.68	82.08
Medium capillary pores (0.05–0.01 µm) (%)	28 days	86.76	82.31	82.02	82.34	82.08	81.51
Gel pores (≤ 0.01 µm) (%)	1 day	10.99	14.07	11.52	11.07	15.37	16.13
Gel pores (≤ 0.01 µm) (%)	28 days	11.26	15.35	16.04	16.13	16.14	17.61