Table 4 Interaction settings of different part.
Part | Interaction | Friction coefficient |
|---|---|---|
Reinforcement bar-segment | Embedded | – |
Bolt-segment | Embedded | – |
Segment-segment | Face-to-face contact | 0.5 |
Bolt-bolt hole | Face-to-face contact | 0.1527 |
Tunnel surface-soil | Face-to-face contact | 0.35 |
Support pile-soil | Face-to-face contact | 0.35 |
Concrete support-support pile | Binding | – |
Steel support-support pile | MPC constraints | – |