Mechanical and Deformation Characteristics and Optimization of Support Parameters for Superlarge-Span Tunnel: A Case Study from Laohushan Tunnel

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Mileage number</td><td class="align_center">Maximum convergent value (mm)</td><td class="align_center">The ratio of maximum convergent to permissible value (%)</td><td class="align_center">Maximum settlement value (mm)</td><td class="align_center">The ratio of maximum settlement to permissible value (%)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">YK2 + 444</td><td class="align_center">14.7</td><td class="align_center">11</td><td class="align_center">21.2</td><td class="align_center">15</td></tr><tr><td class="align_left">YK2 + 449</td><td class="align_center">8.8</td><td class="align_center">6</td><td class="align_center">14.8</td><td class="align_center">11</td></tr><tr><td class="align_left">YK2 + 453</td><td class="align_center">11.3</td><td class="align_center">8</td><td class="align_center">13.6</td><td class="align_center">10</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Deformation monitoring results.</div>

Advances in Civil Engineering

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Table 4

Table 4: Mechanical and Deformation Characteristics and Optimization of Support Parameters for Superlarge-Span Tunnel: A Case Study from Laohushan Tunnel 

Table 4 | Mechanical and Deformation Characteristics and Optimization of Support Parameters for Superlarge-Span Tunnel: A Case Study from Laohushan Tunnel 