Research Article

Interfacial Behaviour of Shield Tunnel Segment Strengthened by Thin Plate at Inner Surface

Table 1

Comparison of key points between the numerical analysis and the experiment.

Key pointLoad 1 (kN)Error (%)Normal stress (MPa)Error (%)Shear stress (MPa)Error (%)
SimulationTestSimulationTestSimulationTest

Strengthening point4274182.2//////
Ultimate point6726169.11.671.651.216.536.83āˆ’4.39