Table 2. Water to cement (and to solid) ratios estimated from the measured X-ray absorption values of the pastes; X-ray absorption values for anhydrous and paste samples are also given.
| Sample | Calculated average μ for anhydrous sample (cm−1) | Experimental average μ for hydrated sample (cm−1) | w/s (mass) | w/c (mass) | w/s (vol.) | w/c (vol.) | Water fraction (vol%) |
|---|---|---|---|---|---|---|---|
| PC | 624.9 | 348.5 | 0.27 | 0.27 | 0.85 | 0.85 | 46.0 |
| PC–CC | 581.5 | 341.2 | 0.27 | 0.33 | 0.79 | 0.99 | 44.0 |
| PC–FA | 479.3 | 267.3 | 0.30 | 0.43 | 0.87 | 1.31 | 46.4 |