Research Article
Effects of Sand Powder on Sulfuric Acid Resistance, Compressive Strength, Cost Benefits, and CO2 Reduction of High CaO Fly Ash Concrete
Table 3
Mix proportions of tested paste specimens.
| | No | Mix designation | W/B | Portland cement type I (ratio by weight) | Cement-replacing materials (ratio by weight) | | C | GS | FAM | FAR |
| | 1 | C100 | 0.25 | 1.00 | — | — | — | | 2 | C90GS10 | 0.25 | 0.90 | 0.10 | — | — | | 3 | C70FAM30 | 0.25 | 0.70 | — | 0.30 | — | | 4 | C70FAR30 | 0.25 | 0.70 | — | — | 0.30 | | 5 | C70FAM20GS10 | 0.25 | 0.70 | 0.10 | 0.20 | — | | 6 | C100 | 0.40 | 1.00 | — | — | — | | 7 | C90GS10 | 0.40 | 0.90 | 0.10 | — | — | | 8 | C70FAM30 | 0.40 | 0.70 | — | 0.30 | — | | 9 | C70FAR30 | 0.40 | 0.70 | — | — | 0.30 | | 10 | C70FAM20GS10 | 0.40 | 0.70 | 0.10 | 0.20 | — |
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C is cement; GS is sand powder; FAM is high CaO (Mae Moh) fly ash; FAR is low CaO (BLCP) fly ash.
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