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

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Height of karst cave hc (m)</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">hc ≤ 3.625</td><td class="align_center">578</td><td class="align_center">78.2</td></tr><tr><td class="align_left">3.625 &lt; hc ≤ 7.25</td><td class="align_center">122</td><td class="align_center">16.5</td></tr><tr><td class="align_left">7.25 &lt; hc ≤ 14.5</td><td class="align_center">31</td><td class="align_center">4.2</td></tr><tr><td class="align_left">hc &gt; 14.5</td><td class="align_center">8</td><td class="align_center">1.1</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Civil Engineering

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Table 2

Table 2: Reasonable Treatment Range of Karst Cave Encountered by Super-Large Diameter Shield Tunnel in Strongly Karst-Developed Area 