Szukana fraza: [Abstract = "The connection should be designed in such a way as to allow plastic hinge formation at certain points of the beam. One such method suggested for retrofit connections is to reduce the beam section locally away from the connection zone. There are various patterns available to locally reduce the beam section, such as circular, elliptical, and symmetric\/asymmetric. In recent years, different proposals have been presented to design these connections which vary from older instructions."]

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