Fuzzy Risk Assessment of Tunnels’ Undercrossing Existing Structures

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Evaluation methods</td><td class="align_center">Evaluation of the results</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Numerical calculation</td><td class="align_center">Extremely high risk</td></tr><tr><td class="align_left">One-dimensional cloud model</td><td class="align_center">100% probability (extremely high risk)</td></tr><tr><td class="align_left">Two-dimensional cloud model</td><td class="align_center">0.4% probability (highly risky) and 99.96% probability (extremely high risk)</td></tr><tr><td class="align_left">Cloud model soft ‘and’ computing</td><td class="align_center">82% probability (high risk) and 16% probability (extremely high risk)</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Risk assessment results of tunnel blasting construction.</div>

Mathematical Problems in Engineering

tab7

Table 7

Table 7: Fuzzy Risk Assessment of Tunnels’ Undercrossing Existing Structures 