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

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Filled condition of karst cave</td><td class="align_center">Number of caves</td><td class="align_center">Percentage (%)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Fully filled</td><td class="align_center">187</td><td class="align_center">25.3</td></tr><tr><td class="align_left">Half filled</td><td class="align_center">489</td><td class="align_center">66.2</td></tr><tr><td class="align_left">Unfilled</td><td class="align_center">63</td><td class="align_center">8.5</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Filled condition of karst cave.</div>

Advances in Civil Engineering

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Table 4

Table 4: Reasonable Treatment Range of Karst Cave Encountered by Super-Large Diameter Shield Tunnel in Strongly Karst-Developed Area 