Research Article
Pozzolanic Effect on the Hydration Heat of Cements Incorporating Fly Ash, Obsidian, and Slag Additives
Table 1
Fineness values of cements containing different pozzolanic additives.
| | Cements with different additives | Percentage left on sieve | Blaine fineness (cm2/g) | | 200 µm | 90 µm | 45 µm |
| | Obsidian (OBS) 45 | 0 | 5.3 | 40.2 | 4752 | | OBS 60 | 0 | 2.5 | 35.3 | 5502 | | OBS 75 | 0 | 1.7 | 28.5 | 6135 | | Fly ash (FA) | 0 | 0 | 11.7 | 4263 | | FA 20 | 0 | 0 | 7.5 | 5261 | | FA 40 | 0 | 0 | 6.8 | 6705 | | Blast furnace slag (BFS) | 0 | 0 | 9.8 | 4713 | | BFS 20 | 0 | 0 | 7.5 | 5623 | | BFS 40 | 0 | 0 | 6.9 | 6125 | | CEM I 42.5R | 0 | 0 | 19.5 | 4424 |
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