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

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</svg></span></td></tr><tr><td align="center" colspan="6"><hr/></td></tr><tr><td align="left">Vulnerability</td><td align="center">Small</td><td align="center">Relatively small</td><td align="center">Medium</td><td align="center">Relatively large</td><td align="center">Large</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Grading standards of vulnerability of tunnel support system.

Mathematical Problems in Engineering

tab12

Table 12

Table 12: Vulnerability Analysis of Soft Caving Tunnel Support System and Surrounding Rock Optimal Control Technology Research 