Research Article
Experimental Study on Diffusion Process of Sulfate Ion in Cemented Gangue Backfill Material
Table 4
Comparing diffusion coefficients of
with or without consideration of time in CGBM.
| | Specimens number | | Considering time | Regardless of time | | m | D1 (×10−7cm2/s) | Var. | Dc (×10−7cm2/s) | Var. |
| | S3 | 0.3689 | 1.8954 × 10−5 | 1.1431 | 2.02502 | 2.6103 | | S5 | 0.5984 | 8.191 × 10−4 | 1.6518 | 2.5845 | 2.795 | | S10 | 0.8354 | 3.8489 × 10−3 | 1.4498 | 3.0405 | 2.8848 | | S5 + M3 | 0.5577 | 6.0225 × 10−4 | 0.8071 | 2.2837 | 1.5108 | | S5 + M5 | 0.6423 | 2.3004 × 10−3 | 1.4091 | 2.8972 | 2.2574 | | S5 + H3 | 0.6324 | 1.1047 × 10−3 | 1.7244 | 2.8475 | 2.3421 | | S5 + H5 | 0.6488 | 2.607 × 10−3 | 1.684 | 3.0508 | 2.1764 | | S5 + M5 + H5 | 0.7724 | 4.315 × 10−3 | 1.2453 | 3.2822 | 2.1909 |
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