Correlation Effects of Near-Field Seismic Components in Circular Metro Tunnels: A Case Study—Tehran Metro Tunnels

<table class="table-group" id="tab12"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center">Soil</td><td class="align_center">Tunnel lining</td><td class="align_center">Lysmer absorbing boundaries</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Global size</td><td class="align_center">1</td><td class="align_center">0.1</td><td class="align_center">1</td></tr><tr><td class="align_left">Element family</td><td class="align_center">Plane strain</td><td class="align_center">Beam</td><td class="align_center">Plane strain</td></tr><tr><td class="align_left">Element library</td><td class="align_center">Explicit</td><td class="align_center">Explicit</td><td class="align_center">Explicit</td></tr><tr><td class="align_left">Mesh name</td><td class="align_center">Cpe4r</td><td class="align_center">B21</td><td class="align_center">Cinpe4</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Default parameters of tunnel lining and soil in the finite element model.</div>

Shock and Vibration

tab12

Table 12

Table 12: Correlation Effects of Near-Field Seismic Components in Circular Metro Tunnels: A Case Study—Tehran Metro Tunnels 