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

<div>Degradation characteristics of the segment after 20 years of steel bar corrosion: (a) the displacement cloud during cracking and (b) the maximum principal stress cloud during cracking (deformation amplification factor is 10).</div>

Shock and Vibration

fig17

Figure 17

Figure 17: Performance Degradation of Subsea Shield Tunnel Segment Accounting for Concrete Strength Loss and Steel Bar Corrosion 