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Effect of the NaOH molar concentration on the fresh properties of marble-based geopolymer concrete.
| Item No. | NaOH Concentration | Mixture Proportion (wt. Ratio) |
Slump (mm) | Slump Flow (mm) | Initial Setting Time | Final Setting Time |
|---|---|---|---|---|---|---|
| CM5S5-O-4M | 4 M | 1:2.3:2.2 | 270 | 650 | 5 h 10 min | 12 h 15 min |
| CM5S5-O-6M | 6 M | 1:2.3:2.2 | 270 | 640 | 4 h 15 min | 9 h 10 min |
