Research Article
Effect of Concentration and Suspension Agent (HPMC) on Properties of Coal Gangue and Fly Ash Cemented Filling Material
Table 7
Material proportioning scheme of the three samples.
| | Samples | Solids content (wt. %) | Cement content (wt. %) | Fly ash content (wt. %) | Coal gangue content (wt. %) | HPMC content/powder (wt. %) | Water content (wt. %) |
| | S1 | 78.50 | 12 | 19.00 | 47.50 | 1.0 | 21.50 | | S2 | 78.80 | 12 | 19.09 | 47.71 | 0.7 | 21.20 | | S3 | 79.00 | 12 | 19.14 | 47.86 | 0.5 | 21.00 |
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