Research Article
Vulnerability Analysis of Soft Caving Tunnel Support System and Surrounding Rock Optimal Control Technology Research
Table 16
Indirect comparison matrix.
| | | Integrity of
surround rock | Roof rock
strength | Coal
strength | Tunnel’s section
size | Depth of
tunnel | Geological
structure | Impact of
coal pillar | Thickness of
strengthened rock | Tunnel support
strength | Tunnel’s repair
rate | Construction quality
coefficient |
| | Integrity of surrounding rock | 1 | 3 | 3 | 3 | 1/3 | 3 | 3 | 1/3 | 7 | 3 | 3 | | Roof rock strength | 1/3 | 1 | 1/3 | 1/5 | 1/3 | 1/3 | 1/5 | 1/5 | 5 | 5 | 3 | | Coal strength. | 1/3 | 3 | 1 | 3 | 1/3 | 3 | 3 | 1/3 | 7 | 3 | 5 | | Tunnel’s section size | 1/3 | 5 | 1/3 | 1 | 1/5 | 3 | 1 | 1/3 | 7 | 2 | 5 | | Depth of tunnel | 3 | 3 | 3 | 5 | 1 | 3 | 5 | 1/3 | 7 | 3 | 3 | | Geological structure | 1/3 | 3 | 1/3 | 1/3 | 1/3 | 1 | 3 | 1/5 | 5 | 2 | 3 | | Impact of coal pillar | 1/3 | 5 | 1/3 | 1 | 1/5 | 1/3 | 1 | 7 | 7 | 3 | 1/3 | | Thickness of strengthened rock | 3 | 5 | 3 | 3 | 3 | 5 | 1/7 | 1 | 5 | 3 | 5 | | Tunnel support strength | 1/7 | 1/5 | 1/7 | 1/7 | 1/7 | 1/5 | 1/7 | 1/5 | 1 | 1/5 | 3 | | Tunnel’s repair rate | 1/3 | 1/5 | 1/3 | 1/2 | 1/3 | 1/2 | 1/3 | 1/3 | 5 | 1 | 1/3 | | Construction quality coefficient | 1/3 | 1/3 | 1/5 | 1/5 | 1/3 | 1/3 | 3 | 1/5 | 1/3 | 3 | 1 |
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