fig9
Figure 9. Macro changes of geopolymers prepared with different proportions of BFS in freezing-thawing cycles for (A) initial sample, (B) 10 times and (C) 20 times. BFS: Blast furnace slag.
Figure 9. Macro changes of geopolymers prepared with different proportions of BFS in freezing-thawing cycles for (A) initial sample, (B) 10 times and (C) 20 times. BFS: Blast furnace slag.
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