| Abbreviations | Symbols | ||
| C-S-H | Calcium silicate hydrate | I | Water adsorption capacity |
| XRF | X-ray fluorescence | mt | Mass at time t |
| NA | Natural aggregate | A | Contact area |
| RA | Recycled aggregate | d | Density of water |
| ITZ | Interfacial transition zone | ||
| XRD | X-ray diffraction | ||
| SSD | Saturated surface dry | ||
| AD | Air-dried | ||
| W/B | Water to binder ratio | ||
| RH | Relative humidity | ||
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