Comprehensive Risk Evaluation in the Long-Term Operation of Urban Subway Based on Multiple Indices

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Objective level</td><td class="align_center">Criteria level</td><td class="align_center">Index level (unit)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left" rowspan="7">Risk level</td><td class="align_center" rowspan="3">Regional surface settlement</td><td class="align_center">Maximum ground settlement (mm)</td></tr><tr><td class="align_center">Maximum rate of ground settlement (mm/d)</td></tr><tr><td class="align_center">Geological conditions</td></tr><tr><td class="align_center" rowspan="2">Operation of subway</td><td class="align_center">Maximum settlement of tunnel (mm)</td></tr><tr><td class="align_center">Lining leakage</td></tr><tr><td class="align_center" rowspan="2">Disturbance of construction</td><td class="align_center">Density of surface structures</td></tr><tr><td class="align_center">Disturbance of tunnelling</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Selected factors for the multiple indices system.</div>

Mathematical Problems in Engineering

tab4

Table 4

Table 4: Comprehensive Risk Evaluation in the Long-Term Operation of Urban Subway Based on Multiple Indices 