Вернуться к статье
Inverstigation of the effect of chemical additivies on the conversion of dihydrate gypsum into α-semihydrate gypsum
Table 1 - Impact of metakaolin additives on properties of gypsum binder
No | Material quantity, % | Stiffness limit of the specimen in compression, MPa | Softening factor | |||
gypsum | lime | metakaolin | water | |||
1 | 100 | - | - | 35 | 13,3 | 0,40 |
2 | 97 | 3 | - | 33 | 13,0 | 0,40 |
3 | 97 | - | 3 | 36 | 14,2 | 0,42 |
4 | 94 | 3 | 3 | 35 | 15,6 | 0,49 |
5 | 90 | 5 | 5 | 37 | 17,0 | 0,64 |
6 | 88 | 5 | 7 | 38 | 17,5 | 0,69 |