Rapid Assessment and Classification for Seismic Damage of Mountain Tunnel Based on Concentric Circle Method

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Tunnel section</td><td class="align_center">Main damage types</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left" rowspan="3">Portal</td><td class="align_center">Slope: mountain chipping, crack, collapse, landslide, rock falls</td></tr><tr><td class="align_center">Portal: crack, tilt, sink, buried, tunnel opencut punctured</td></tr><tr><td class="align_center">Lining: crack, aliquation, peeling-off, falling, collapse, dislocation, water seepage, construction joint crack and dislocation</td></tr><tr><td class="align_left" colspan="2"><hr/></td></tr><tr><td class="align_left" rowspan="4">Tube</td><td class="align_center">Lining: crack, aliquation, exfoliating, falling, collapse, dislocation, water seepage, construction joint crack and dislocation</td></tr><tr><td class="align_center">Road or invert: crack, fracture, upheaval</td></tr><tr><td class="align_center">Surrounding rock: collapse</td></tr><tr><td class="align_center">Others: decorative surface drop, groove, and other facility damage</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Main seismic damage types of mountain tunnels during Wenchuan earthquake.</div>

Shock and Vibration

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Table 1

Table 1: Rapid Assessment and Classification for Seismic Damage of Mountain Tunnel Based on Concentric Circle Method 