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

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Material</td><td class="align_center">Proportion</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Barite</td><td class="align_center">1</td></tr><tr><td class="align_left">Fly ash</td><td class="align_center">1</td></tr><tr><td class="align_left">River sand</td><td class="align_center">0.5</td></tr><tr><td class="align_left">Coarse quartz sand</td><td class="align_center">0.25</td></tr><tr><td class="align_left">Fine quartz sand</td><td class="align_center">0.5</td></tr><tr><td class="align_left">Engine oil</td><td class="align_center">0.32</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Model of surrounding rock with similar material mix ratio.</div>

Advances in Civil Engineering

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Table 3

Table 3: Study on Construction Influence of Shield Tunnel of Urban Rail Transit on Large-Section Mining Tunnel 