Exploring the Feasibility of Ventilation without Shafts for an Ultralong Subsea Tunnel in the Bohai Strait Channel

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Situation</td><td class="align_center" colspan="2">Base emission rate of CO (m<sup>3</sup>/(vel·km))</td><td class="align_center" colspan="2">Base emission rate of smoke and dust (m<sup>2</sup>/(vel·km))</td></tr><tr class="thead"><td class="align_center">2000</td><td class="align_center">2035</td><td class="align_center">2000</td><td class="align_center">2035</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Normal traffic operations</td><td class="align_center">0.007</td><td class="align_center">0.00382</td><td class="align_center">2.0</td><td class="align_center">1.091</td></tr><tr><td class="align_left">Congested traffic operations</td><td class="align_center">0.015</td><td class="align_center">0.00818</td><td class="align_center"> </td><td class="align_center"> </td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Target emission rates based on Chinese codes.</div>

Advances in Civil Engineering

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Table 3

Table 3: Exploring the Feasibility of Ventilation without Shafts for an Ultralong Subsea Tunnel in the Bohai Strait Channel 