steel framed buildings steel framed buildings transfer beam under seismic forces transfer beam torsion design transfer beam under seismic forces transfer beam with hybrid reinforcement transverse beams to the main beams details of test beams exterior beam column joint beam column subassemblies exterior beam column joint exterior beam column joint primary beam supporting secondary beam exterior beam column joint exterior beam column joint typical details of tested beams exterior beam column joint concrete beam column joints main and secondary beams exterior beam column joint exterior beam column joint primary beam supporting secondary beam exterior beam column joint column beam connections dextra exterior beam column joint transfer structure design key beam column subassembly elements exterior beam column joint exterior beam column joint exterior beam column joint exterior beam column joint exterior beam column joint jsbeams exterior beam column joint exterior beam column joint exterior beam column joint beam column joint according to aci