Shock and Vibration / 2018 / Article / Fig 17

Research Article

Dynamic Characteristic and Fatigue Accumulative Damage of a Cross Shield Tunnel Structure under Vibration Load

Figure 17

Maximum envelope of maximum principal stress at different operation times (MPa).
(a) Frist
(b) 0.07 a
(c) 13.70 a
(d) 68.49 a
(e) 102.74 a