Research Article
Experiment on Seepage Property and Sand Inrush Criterion for Granular Rock Mass
Table 1
Mass ratio of rock particles with various size ranges under different size distribution parameters.
| | Size range (mm) | Size distribution parameter | | 0.50 | 0.75 | 1.00 | 1.25 | 1.5 |
| | 1 | 2.5~5.0 | 50.0% | 35.4% | 25.0% | 17.7% | 14.4% | | 2 | 5.0~8.0 | 13.2% | 14.9% | 15.0% | 14.1% | 13.4% | | 3 | 8.0~10.0 | 7.5% | 9.2% | 10.0% | 10.2% | 10.2% | | 4 | 10.0~12.0 | 6.7% | 8.7% | 10.0% | 10.8% | 11.0% | | 5 | 12.0~15.0 | 9.1% | 12.4% | 15.0% | 17.0% | 17.9% | | 6 | 15.0~20.0 | 13.4% | 19.4% | 25.0% | 30.2% | 33.2% |
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