Materials | Witness | 5% Att | 10% Att |
Cement CEM I 52.5N | 270 | 256.5 | 243 |
Gravel 4/10 | 1031 | 1031 | 1031 |
Sand 0/4 | 940 | 940 | 940 |
Water | 175.5 | 180.2 | 185 |
Attapulgite | 0 | 13.5 | 27 |
E/C = 0.65 |