Table 9 Acquired the structural characteristics of the pores in CA mortar through nuclear magnetic resonance analysis.
Samples | Curing time | Total porosity (%) | Maximum pore size distribution (nm) | Average size(nm) | Gel pore | transition pore | capillary pore | Macro pore |
|---|---|---|---|---|---|---|---|---|
Amino esters | 7d | 9.2 | 17.0 | 1923.6 | 1.6 | 4.7 | 1.6 | 1.3 |
14d | 8.0 | 17.0 | 1973.2 | 1.7 | 4.0 | 1.1 | 1.3 | |
28d | 8.7 | 17.0 | 1791.8 | 1.7 | 4.5 | 1.2 | 1.2 | |
Ordinary polycarboxylate | 7d | 16.1 | 1661.8 | 3355.5 | 0.9 | 5.2 | 4.1 | 6.0 |
14d | 15.9 | 19.6 | 3467.7 | 1.8 | 6.8 | 3.0 | 4.4 | |
28d | 12.6 | 20.9 | 3070.7 | 0.7 | 4.1 | 2.9 | 4.9 | |
Blank | 7d | 18.2 | 1909.5 | 3974.0 | 0.4 | 3.1 | 3.5 | 11.3 |
14d | 17.0 | 3104.5 | 3769.0 | 0.5 | 2.9 | 3.9 | 9.7 | |
28d | 16.9 | 3824.2 | 3560.3 | 0.3 | 3.4 | 4.0 | 9.1 |
