| C | Cement content |
| CEM II/A-M | Portland Composite Cement |
| FO | First Order |
| FO + TWI | First Order with Interaction |
| PQ + TWI | Pure Quadratic with Interaction |
| GGBF | Ground Granulated Blast Furnace |
| Mr | Modulus of Rupture |
| OMC | Optimum Moisture Content |
| RCC | Roller-Compacted Concrete |
| RCCP | Roller Compacted Concrete for Pavements |
| RH | Relative Humidity |
| RSM | Response Surface Methodology |
| s | Shrinkage Strain |
| T | Temperature |
| WA | Water Vapor per Kilogram of Air |
| W/C | Water–Cement Ratio |
| w10 | Moisture Content |