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

<table class="table-group" id="tab2"><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="12">Risk level</td><td class="align_center" rowspan="4">Regional surface settlement</td><td class="align_center">Maximum ground settlement (mm)</td></tr><tr><td class="align_center">Average 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="4">Operation of subway</td><td class="align_center">Maximum settlement of tunnel (mm)</td></tr><tr><td class="align_center">Average settlement of tunnel (mm)</td></tr><tr><td class="align_center">Lining leakage</td></tr><tr><td class="align_center">Cyclic vibration in operation of subway</td></tr><tr><td class="align_center" rowspan="4">Disturbance of construction</td><td class="align_center">Density of surface structures</td></tr><tr><td class="align_center">Disturbance caused by nearby constructions</td></tr><tr><td class="align_center">Disturbance of tunnelling</td></tr><tr><td class="align_center">Loading of surface structures</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Preliminary identification of factors.</div>

Mathematical Problems in Engineering

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Table 2

Table 2: Comprehensive Risk Evaluation in the Long-Term Operation of Urban Subway Based on Multiple Indices 