From: Pipe flow of pumping wet shotcrete based on lubrication layer
Materials | Design strength (C25–C35) | ||
---|---|---|---|
Name of the series | Group 1 | Group 2 | Group 3 |
Cement (kg/m3) | 401 | 430 | 410 |
Fly ash class F (kg/m3) | 43 | 48 | 44 |
Water (kg/m3) | 204 | 192 | 186 |
Sand (kg/m3) | 876 | 889 | 887 |
Coase aggregate (kg/m3) | 704 | 680 | 711 |
Lignosulfonate-based WRA (%) | 0.3 | 0.25 | 0.25 |
Slump (mm) | 110 ± 20 | 110 ± 20 | 100 ± 20 |