Vulnerability Analysis of Soft Caving Tunnel Support System and Surrounding Rock Optimal Control Technology Research

Table 17

Evaluation factors weight table.

Indicator factors	Integrity of surrounding 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
Weight	0.038	0.115	0.044	0.061	0.028	0.077	0.070	0.030	0.291	0.153	0.155