Research Article
Risk Early Warning Evaluation of Coal Mine Water Inrush Based on Complex Network and Its Application
Table 1
The most important multiple nodes.
| | Nodes | Degree centrality | Closeness centrality | Intermediary centrality | Eigenvector centrality |
| | Coal seam thickness | 14 | 1 | 1 | 0.333150175 | | Depth of mining floor failure | 12 | 0 | 3 | 0.285557293 | | Coal seam burial depth | 9 | 1 | 2 | 0.21416797 | | Working surface length | 6 | 1 | 0 | 0.630880426 | | Key position of the water barrier | 8 | 0 | 1 | 0.190371529 | | Karst collapse column | 5 | 0 | 6 | 0.320266341 | | Water inrush volume | 1 | 0 | 1 | 1 | | Fault | 5 | 0 | 3 | 0.231522494 | | Aquifer | 3 | 0 | 2 | 0.559491103 | | Mining depth | 3 | 1.333 | 0 | 0.183929612 | | Water barrier thickness | 4 | 1 | 0 | 0.095185764 | | Karst fissure development degree | 1 | 1.9 | 1 | 0.511898221 | | Dynamic water pressure | 10 | 1 | 9 | 0.023796441 | | Collapse column | 3 | 1 | 6 | 0.071389323 | | Ordovician water channel | 2 | 0 | 1 | 0.160133171 | | Mining methods and processes | 3 | 1.2 | 0 | 0.071389323 | | Reduce the strength of fractured rock mass | 1 | 0 | 2 | 0.13633673 | | Complex geological conditions | 2 | 1 | 1 | 0.047592882 | | Folds | 3 | 1.6 | 5 | 0.023796441 | | Hidden troubles are not in place | 1 | 1 | 0 | 0 | | Illegal production | 1 | 1 | 1 | 0 | | Production organization management chaos | 1 | 1 | 0 | 0 | | Production technology management chaos | 1 | 1 | 2 | 0 |
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