Research Article
Viability Study of a Safe Method for Health to Prepare Cement Pastes with Simultaneous Nanometric Functional Additions
Table 2
Water losses associated with different phases in cement pastes with 2 wt.% of nanozinc (NZ) + 10 wt.% microsilica (MS).
| | 2% NZ + 10% MS manual mixing (wt.%) | 2% NZ + 10% MS low shear rate dispersion (wt.%) | 52.5R | 3 d | 7 d | 28 d | 3 d | 7 d | 28 d | 3 d | 7 d | 28 d |
| T1 | 1.8 | 6.1 | 8.8 | 1.3 | 2.0 | 9.0 | 6.6 | 7.0 | 7.8 | T2 | 0.4 | 1.8 | 2.5 | 0.4 | 0.5 | 2.5 | 3.4 | 3.5 | 3.5 | T3 | 2.1 | 3.0 | 3.0 | 2.0 | 2.2 | 2.6 | 2.6 | 2.8 | 2.6 | Total combined water (T1 + T2 + T3) wt.% | 4.3 | 10.9 | 14.3 | 3.7 | 4.7 | 14.1 | 12.6 | 13.3 | 13.9 | Equivalent calcium (T2 + T3) wt.% | 2.5 | 4.8 | 5.5 | 2.4 | 2.7 | 5.1 | 6.0 | 6.3 | 6.1 | CSH gel (T1) wt.%/total portlandite (T2 + T3) wt.% | 0.72 | 1.27 | 1.60 | 0.54 | 0.74 | 1.76 | 1.10 | 1.11 | 1.28 |
|
|