Research Article
Quantitative Inversion of Water-Inrush Incidents in Mountain Tunnel beneath a Karst Pit
Table 2
Iterative calculation process.
| | Simulated water level elevation (m) | Rainwater accumulation area (m3) | Rainwater accumulation (m³) | Average water depth (m) | Maximum water depth (m) |
| | First iteration | | | | | | 2110 | 191.25 | 27.61 | 0.14 | 2.04 | | 2111 | 2137.5 | 1380.55 | 0.65 | 3.04 | | 2112 | 3251 | 4096.625 | 1.26 | 4.04 | | 2113 | 3821.5 | 7645.645 | 2 | 5.04 | | 2114 | 4428 | 11739.26 | 2.65 | 6.04 | | 2115 | 5223 | 16559.26 | 3.17 | 7.04 | | 2116 | 5784.5 | 22056.47 | 3.81 | 8.04 | | 2117 | 6431.25 | 28152.3975 | 4.38 | 9.04 | | 2118 | 7005.5 | 34899.7375 | 4.98 | 10.04 |
| | Second iteration | | | | | | 2112.1 | 3321.75 | 4425.3975 | 1.33 | 4.14 | | 2112.2 | 3389.75 | 4760.235 | 1.4 | 4.24 | | 2112.3 | 3451.25 | 5102.6275 | 1.48 | 4.34 | | 2112.4 | 3502.25 | 5449.715 | 1.56 | 4.44 | | 2112.5 | 3551.5 | 5802.8 | 1.63 | 4.54 | | 2112.6 | 3604.5 | 6160.8125 | 1.71 | 4.64 | | 2112.7 | 3660.5 | 6523.44 | 1.78 | 4.74 | | 2112.8 | 3712.25 | 6892.595 | 1.85 | 4.84 |
| | Third iteration | | | | | | 2115.1 | 5291.25 | 17085.4975 | 3.23 | 7.14 | | 2115.2 | 5349.5 | 17616.7475 | 3.29 | 7.24 | | 2115.3 | 5393.5 | 18154.3825 | 3.37 | 7.34 | | 2115.4 | 5441.25 | 18695.2325 | 3.44 | 7.44 |
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