Research Article
Compression Characteristics of Solid Wastes as Backfill Materials
Table 3
Summary of compression degree-stress test results.
| Category | Test | Compression degree | Stress of 2 MPa | Stress of 12.5 MPa | 2~12.5 MPa increments |
| Single size | 1 | 0.4246 | 0.1493 | 0.28 | 2 | 0.4630 | 0.1958 | 0.27 | 3 | 0.5011 | 0.2427 | 0.26 | 4 | 0.5991 | 0.3451 | 0.25 |
| | 5 | 0.6168 | 0.4166 | 0.20 |
| Maximum particle size | 6 | 0.6770 | 0.5131 | 0.16 | 7 | 0.6910 | 0.5245 | 0.17 | 8 | 0.7448 | 0.5934 | 0.15 |
| | 9 | 0.6936 | 0.5247 | 0.17 |
| Full-scale gradation | 10 () | 0.8051 | 0.6721 | 0.13 | 11 () | 0.8245 | 0.6926 | 0.13 | 12 () | 0.7832 | 0.6458 | 0.14 | 13 () | 0.7423 | 0.5996 | 0.14 |
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Note: is Talbot’s exponent.
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