Study on Construction Influence of Shield Tunnel of Urban Rail Transit on Large-Section Mining Tunnel

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Project</td><td class="align_center">Unit weight (kN/m<sup>3</sup>)</td><td class="align_center">Elastic modulus (GPa)</td><td class="align_center">Poisson’s ratio</td><td class="align_center">Cohesion (kPa)</td><td class="align_center">Internal friction angle (°)</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Prototype</td><td class="align_center">24.1</td><td class="align_center">700</td><td class="align_center">0.35</td><td class="align_center">100</td><td class="align_center">23.5</td></tr><tr><td class="align_left">Model</td><td class="align_center">24.1</td><td class="align_center">35</td><td class="align_center">0.35</td><td class="align_center">5.3</td><td class="align_center">23.5</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Theoretical value of mechanical parameters of similar materials for the surrounding rock.</div>

Advances in Civil Engineering

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Table 2

Table 2: Study on Construction Influence of Shield Tunnel of Urban Rail Transit on Large-Section Mining Tunnel 