| CDW | construction and demolition waste (CDW) |
| NYT | Neapolitan Yellow Tuff |
| VRT | Viterbo Red Tuff |
| FA | fly ash |
| MW | mixed geopolymer |
| SS | sodium silicate solution |
| N | sodium hydroxide solution |
| CA | capillary absorption coefficient |
| Q | adsorbed water |
| CDW | construction and demolition waste (CDW) |
| NYT | Neapolitan Yellow Tuff |
| VRT | Viterbo Red Tuff |
| FA | fly ash |
| MW | mixed geopolymer |
| SS | sodium silicate solution |
| N | sodium hydroxide solution |
| CA | capillary absorption coefficient |
| Q | adsorbed water |