Research Article

Numerical Study on the Fracture Properties of Concrete Shield Tunnel Lining Segments

Table 1

Cracking load of the lining segment by experiment and numerical simulation.

MethodCracking load
Axial load (kN)Vertical load (kN)

By the load-strain curve310.72154.13
By numerical simulation295.00150.44
Error5.06%2.39%
By the CMOD-time curve310.08154.88
By numerical simulation295.00150.44
Error4.86%2.87%