Anti-seismic column beam node with bolted flange

The structural node (at the column end) is part of a rigid node frame calculated under seismic conditions in a high seismic zone.
The structure is dissipative at high ductility with structure factor q>4.
The node is designed from an initial assumption of direct connection to a final situation with extension of the beam height while respecting the hierarchy of strengths of all nodal components.

Anti-seismic column beam node with bolted flange