Table 3 Evaluation results of Weibull distribution of pore gas escape.
Rainfall intensity/m·s−1 | Average value/kPa | Variance | Skewness | Kurtosis | 95% confidence interval/kPa | m | \(\sigma_{t0}\) | \(u_{ac}\) | Number of escape forming channel zones |
|---|---|---|---|---|---|---|---|---|---|
3.67 × 10−6 | 47.012 | 28.624 | 0.665 | 3.31 | 86.069–99.444 | 1.95 | 47.379 | 13.259 | 9 |
5.55 × 10−6 | 42.036 | 21.766 | 0.667 | 3.475 | 71.891–83.868 | 1.479 | 42.992 | 17.392 | 13 |
1.10 × 10−5 | 54.328 | 22.582 | 0.663 | 3.307 | 85.138–95.683 | 1.952 | 54.681 | 26.05 | 20 |
2.20 × 10−5 | 42.511 | 22.092 | 0.604 | 3.195 | 72.576–82.636 | 2.041 | 42.589 | 30.621 | 29 |