Interfacial behavior of segmental concrete-filled Basalt FRP tube under cyclic loading

Yuehan Sun; Kailai Deng; Yulin Zhan; Wenfeng Huang; Chao Yin

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자료유형: 학술저널

저자정보: Yuehan Sun (Southwest Jiaotong University) Kailai Deng (Southwest Jiaotong University) Yulin Zhan (Southwest Jiaotong University) Wenfeng Huang (Southwest Jiaotong University) Chao Yin (Southwest Jiaotong University)

저널정보: 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.40 No.1

발행연도: 2021.1

수록면: 65 - 74 (10page)

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A segmental concrete-filled basalt fiber-reinforced polymer (BFRP) tube was proposed, whose lightweight characteristic promoted convenient bridge column transportation and construction. A special connecting component between the adjacent BFRP segments ensured effective transfer of sectional forces. Four specimens, including three segmental specimens and one comparative integral concrete-filled BFRP tube, were tested to investigate the mechanical performance of the BFRP tube under cyclic loading. Damage patterns, load-deformation response, and strain development were observed, showing that the segmental concrete-filled BFRP tube presented satisfactory load-carrying and deformation capacities. Further, the connecting component effectively guaranteed a satisfactory hysteretic performance. Based on the test results, the overall load-carrying capacity was mainly determined by the moment resistance of the interface. Furthermore, the segmental structure weakened the confining effect on the core concrete, though applying multiple stirrups could compensate for the reduced confining effect. Finally, design methods were proposed for the connecting component.

#BFRP tube #segmental structure #jointed reinforcement #cyclic test #crack resistance #seismic performance

참고문헌 (25)

참고문헌 신청

Mohammed Berradia / 2018 / Ultimate strength and strain models proposed for CFRP confined concrete cylinders / Steel and Composite Structures, An International Journal 29(4):465~481

Zhong-Kui Cai / 2019 / Cyclic Load Tests on Precast Segmental Bridge Columns with Both Steel and Basalt FRP Reinforcement / Journal of Composites for Construction 23(3):04019014

Shi Cao / 2020 / Behavior of FRP confined UHPFRC-filled steel tube columns under axial compressive loading / Journal of Building Engineering 32:101511

Haitham Dawood / 2012 / Behavior of Segmental Precast Posttensioned Bridge Piers under Lateral Loads / Journal of Bridge Engineering 17(5):735~746

Kailai Deng / 2018 / Experimental Study of FRP-Reinforced Slotted RC Shear Walls under Cyclic Loading / Journal of Composites for Construction 22(4):04018017

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