Seismic design of buckling-restrained knee-braced frames considering cumulative damage
Natakan Naiyana,
Sutat Leelataviwat,
Suchart Limkatanyu
Abstract:A buckling-restrained knee-braced frame (BRKBF) is an efficient structural system utilizing short buckling-restrained braces (BRBs) as knee bracing elements. Because of the shorter yielding core length compared to those of conventional BRBs, one of the key parameters concerning the performance of this system is the low cycle fatigue cumulative damage of the BRBs. This paper presents a seismic design method considering the cumulative damage, performance evaluation, and collapse assessment of 3-story, 6-story, a… Show more
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