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• Main Authors: Li-Hsuan Lee, 李俐璇
• Other Authors: Hsieh-Lung Hsu
• Format: Others
• Language: zh-TW
• Published: 2016
• Online Access: http://ndltd.ncl.edu.tw/handle/18956269244099676010

碩士 === 國立中央大學 === 土木工程學系 === 104 === Knee Braced Moment Resisting Frame (KBRF) is widely used in construction because of the high strength and significant ductility. It has been validated that the performance of KBRF greatly depends upon the integrity, particularly prevention of fracture, of the adopted knee braces. In order to further improve the structural performance of KBRF, a proposal that adopting high-ductility steel plate to fabricate the knee brace members is made in this study. A series of cyclic loading tests were conducted on KBRF structures with various schemes of high-ductility reduced plate in the knee braces. Test results showed that the stiffness, strength and energy dissipation of KBRF with high-ductility knee brace members were significantly enhanced. The major parameters that governed the performance of KBRF were the initial buckling and the fracture of the high-ductility knee braces. Therefore, it is suggested that the high-ductility plate be designed to sustain higher drift ratio so that the structural performance could be guaranteed.