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논문 기본 정보

자료유형
학술저널
저자정보
Sen Yang (Shanghai University) Yan Liu (Meijo University) Yu Lin (Nanjing Forestry University) Dongzhi Guan (Southeast University) Hanbin Ge (Meijo University) Zhengxing Guo (Southeast University) Wenguang Liu (Shanghai University)
저널정보
국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.41 No.4
발행연도
2021.11
수록면
581 - 594 (14page)

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초록· 키워드

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Many studies have proved that structural fuses could improve the seismic performance of structures efficiently. A structural fuse named the miniature bar-typed structural fuse (MBSF) has been proposed and investigated by the authors, which consists of a central core bar, a confining tube. To further improve the mechanic performances of the MBSFs under compressive loadings, Teflon pads are introduced to adjust the contact and friction status between the core bar and the confining tube. Three groups of specimens were discussed including the specimen with a single cutting line (SC), the specimen with double cutting lines (DC), and the specimen with triple cutting lines (TC). The results show that the hysteretic performances of the fuses are improved with the help of Teflon pads. The compression strength adjustment factor declines when Teflon pads are appended. Numerical and theoretical analyses are also conducted which expounded the effect of the Teflon pads. Different plastic buckling deformation principles of the core bars are compared by the theoretical analysis. It is shown that Shanley’s theory fits the numerical results well, which is recommended for the theoretical calculation of the proposed MBSFs.

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