Abstract:
In order to enhance the strength and ductility of post-Northridge connections with beam depths varying
from 450 mm to 912 mm, two parallel horizontal long voids were opened on their beams web. Results
showed that the proposed beam end configuration (BEC) is effective in moving the plastic hinge away from
the column face. Adding web stiffeners and two tubes at the center of voids were effective in preventing
excessive beam flange/web buckling. Based on the analytical results a step by step design procedure is
proposed to determine the most suitable geometry for the BEC to achieve adequate connection strength
and ductility.
Description:
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