Performance Degradation of Subsea Shield Tunnel Segment Accounting for Concrete Strength Loss and Steel Bar Corrosion

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left">Water-cement ratio</td><td class="align_center">Annual average temperature (°C)</td><td class="align_center">Steel bar density (kg/m<sup>3</sup>)</td><td class="align_center">Outside O<sub>2</sub> concentration (mol/m<sup>3</sup>)</td><td class="align_center">Inside O<sub>2</sub> concentration (mol/m<sup>3</sup>)</td><td class="align_center">Outside relative humidity</td><td class="align_center">Inside relative humidity</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">0.36</td><td class="align_center">21</td><td class="align_center">786.2254</td><td class="align_center">1.09</td><td class="align_center">8.67</td><td class="align_center">1</td><td class="align_center">0.78</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Relevant parameter values for computing steel bar corrosion-induced displacement.</div>

Shock and Vibration

tab5

Table 5

Table 5: Performance Degradation of Subsea Shield Tunnel Segment Accounting for Concrete Strength Loss and Steel Bar Corrosion 