Reasonable Treatment Range of Karst Cave Encountered by Super-Large Diameter Shield Tunnel in Strongly Karst-Developed Area

<table class="table-group" id="tab9"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Location of cave</td><td class="align_center">Size of largest cave (m)</td><td class="align_center">Distance between tunnel and treatment range (m)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Upper part of tunnel</td><td class="align_center">15.73</td><td class="align_center">5.25</td></tr><tr><td class="align_left">Lateral part of tunnel</td><td class="align_center">13.12</td><td class="align_center">5.88</td></tr><tr><td class="align_left">Lower part of tunnel</td><td class="align_center">14.08</td><td class="align_center">13.81</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Treatment range outside the tunnel.</div>

Advances in Civil Engineering

tab9

Table 9

Table 9: Reasonable Treatment Range of Karst Cave Encountered by Super-Large Diameter Shield Tunnel in Strongly Karst-Developed Area 