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Advances in Materials Science and Engineering
/
2019
/
Article
/
Tab 1
/
Research Article
Fly Ash/Blast Furnace Slag-Based Geopolymer as a Potential Binder for Mine Backfilling: Effect of Binder Type and Activator Concentration
Table 1
Chemical composition (wt.%) and physical property of MT, BFS, and FA.
ā
SiO
2
Al
2
O
3
MgO
CaO
Fe
2
O
3
Na
2
O
K
2
O
BET surface area (m
2
/kg)
MT
69.55
12.63
0.33
0.69
0.87
1.98
3.13
356.1
BFS
34.60
12.11
9.23
39.52
0.11
0.35
0.19
935.5
FA
54.79
23.57
1.12
3.17
0.03
0.31
1.12
757.5