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

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Depth (m)</td><td class="align_center">Thickness (m)</td><td class="align_center">Elastic modulus (kPa)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">0–27</td><td class="align_center">27</td><td class="align_center">2000</td></tr><tr><td class="align_left">27–40</td><td class="align_center">13</td><td class="align_center">2000</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Variation of elastic modulus of Tehran soil with depth.</div>

Shock and Vibration

tab5

Table 5

Table 5: Correlation Effects of Near-Field Seismic Components in Circular Metro Tunnels: A Case Study—Tehran Metro Tunnels 