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1¡¢the specimens are designed with the "strong joint¨Cweak members" and results also show that there is no failure in the connection but the author must clarified the capacity of connection and its failure modes which is use full for proper engineering design and also should verified it with their experiments.
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3¡¢it seems that one of the failure modes of the specimens are the weld-failure which is the non ductile behavior. it must be highlighted that this is one the weaknesses of column trow connections.
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4¡¢in figure 7 it must be clarified the this picture is for what amount of drift ratio and it must shown its position in hysteresis curves of figure 8.

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