Research Article
Study on Compaction of Reclaimed Soil of Nonmetallic Mining Area in Northern Foothills of Tianshan Mountains in Xinjiang, China
Table 4
Results of multiple comparison analysis.
| Comparing subjects | Sample 1-sample 2 | Test statistics | Standard error | Standardized test statistics | Significance | Adjusted significance | Result |
| The impact of soil thickness to the porosity | 70 cm-50 cm | −14.778 | 5.715 | −2.586 | 0.10 | 0.029 < 0.05 | Pass | 70 cm-30 cm | −23.778 | 5.578 | −4.263 | 0.00 | 0.000 < 0.05 | Pass | 50 cm-30 cm | −9.0 | 4.497 | −2.001 | 0.45 | 0.136 > 0.05 | Fail |
| The impact of compaction times to the porosity | 5 times-3 times | 3.333 | 5.112 | 0.652 | 0.514 | 1.000 > 0.05 | Fail | 5 times-1 time | 9.467 | 5.112 | 1.852 | 0.064 | 0.384 > 0.05 | Fail | 5 times-0 times | 28.267 | 8.854 | 3.192 | 0.001 | 0.008 < 0.05 | Pass | 3 times-1 time | 6.133 | 5.112 | 1.200 | 0.230 | 1.000 > 0.05 | Fail | 3 times-0 times | 24.933 | 8.854 | 2.816 | 0.005 | 0.029 < 0.05 | Pass | 1 time-0 times | 18.800 | 8.854 | 2.213 | 0.034 | 0.202 > 0.05 | Fail |
|
|