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Strong column, strong joint and weak beam are used to compute the forces on the bolts and to find the required bolt strength. According to this assumption, the column panel zone and beam exhibit inelastic behaviour while the connection and column show elastic behavior. For this reason, it is necessary to design the end plate as a thick plate. In thick plate behaviour, the force in the bolts is the static moment at the center of the compressive part.
The equations used are as follows
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