With the release of PLAXIS 3D 2016, it is now possible to add rockbolts to tunnel segments in the Tunnel Designer directly. Users can assign multiple rockbolt configurations to the same segment or assign the configuration across multiple segments. An offset, length, as well as the number of bolts and their spacing along the tunnel perimeter and along the trajectory, can be given to each configuration.
How to define an excavation sequence in Tunnel Designer
Using the Polar array tool
PLAXIS 3D 2016: Fully parametric geometry
[Tips and Tricks]
Create rock bolts accurately in PLAXIS 3D
3D Extrusion along a curved path
PLAXIS 3D Tunnel Designer