Viability Study of a Safe Method for Health to Prepare Cement Pastes with Simultaneous Nanometric Functional Additions

Table 3

Water losses associated with different phases in cement pastes with 2 wt.% of nanozinc (NZ) + 10 wt.% nanosilica (NS).

	2% NZ + 10% NS manual mixing (wt.%)			2% NZ + 10% NS low shear rate dispersion (wt.%)			52.5R
	3 d	7 d	28 d	7 d	28 d	28 d	3 d	7 d	28 d
T1	3.0	8.0	11.2	2.7	3.8	10.5	6.6	7.0	7.8
T2	0.8	1.7	2.0	0.7	1.0	2.1	3.4	3.5	3.5
T3	1.3	3.0	2.8	0.9	1.9	3.0	2.6	2.8	2.6
Total combined water	5.1	12.7	16.0	4.3	6.7	15.6	12.6	13.3	13.9
Equivalent calcium (T2 + T3) wt.%	2.1	4.7	4.8	1.6	2.9	5.1	6.0	6.3	6.1
CSH gel (T1) wt.%/total portlandite (T2 + T3) wt.%	1.43	1.70	2.33	1.68	1.31	2.06	1.10	1.11	1.28