Effect of Deficiencies in the Tunnel Crown Thickness on Pressure Tunnels with Posttensioned Concrete Linings

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Working conditions</td><td class="align_center">Gravity</td><td class="align_center">Soil pressure</td><td class="align_center">External water pressure</td><td class="align_center">Effective prestress</td><td class="align_center">Internal water pressure</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">CCTC</td><td class="align_center">√</td><td class="align_center">√</td><td class="align_center">√</td><td class="align_center">√</td><td class="align_center">—</td></tr><tr><td class="align_left">DWPC</td><td class="align_center">√</td><td class="align_center">√</td><td class="align_center">√</td><td class="align_center">√</td><td class="align_center">√</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Load combinations of the working conditions.</div>

Advances in Civil Engineering

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Table 2

Table 2: Effect of Deficiencies in the Tunnel Crown Thickness on Pressure Tunnels with Posttensioned Concrete Linings 