Research Article
Experimental Study on Diffusion Process of Sulfate Ion in Cemented Gangue Backfill Material
Table 2
Proportion of CGBM mixture.
| Cement (kg·m−3) | Fly ash (kg·m−3) | Coal gangue (kg·m−3) | Mass concentration (%) | Fine aggregate | Coarse aggregate |
| 190 | 380 | 285 | 665 | 80 |
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