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

Figure 6

The relationship between strain energy and axial strain under different confining pressures: (a) group A samples under 4 MPa confining pressure, (b) group A samples under 8 MPa confining pressure, (c) group B samples under 4 MPa confining pressure, (d) group B samples under 8 MPa confining pressure, (e) group C samples under 4 MPa confining pressure, and (f) group C samples under 8 MPa confining pressure.

(a)

(b)

(c)

(d)

(e)

(f)