Factor’s Influence Analysis of Frost Heave during the Twin-Tunnel Construction Using Artificial Horizontal Ground Freezing Method

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Names</td><td class="align_center">Elastic modulus (MPa)</td><td class="align_center">Poisson’s ratio</td><td class="align_center">Cohesion (kPa)</td><td class="align_center">Friction angle (°)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Frozen soil</td><td class="align_center">44.27 + 7.73 ׀<i>T</i>׀</td><td class="align_center">0.25</td><td class="align_center">—</td><td class="align_center">—</td></tr><tr><td class="align_left">Unfrozen soil</td><td class="align_center">24</td><td class="align_center">0.35</td><td class="align_center">15</td><td class="align_center">20</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Civil Engineering

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Table 3

Table 3: Factor’s Influence Analysis of Frost Heave during the Twin-Tunnel Construction Using Artificial Horizontal Ground Freezing Method 