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논문 기본 정보

자료유형
학술저널
저자정보
Peng Wang (PLA University of Science and Technology) Meirong Jiang (PLA University of Science and Technology) Hailong Chen (PLA University of Science and Technology) Fengnian Jin (PLA University of Science and Technology) Jiannan Zhou (PLA University of Science and Technology) Qing Zheng (Zoomlion Heavy Industry Science & Technology Co.) Hualin Fan (Nanjing University of Aeronautics and Astronautics)
저널정보
국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.23 No.2
발행연도
2017.1
수록면
187 - 194 (8page)

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To reuse a broken plain concrete (PC) arch, a retrofitting method was proposed to ensure excellent structural performances, in which carbon fiber reinforced polymers (CFRPs) were applied to repair and strengthen the damaged PC arch through bonding and wrapping techniques. Experiments were carried out to reveal the deformation and the load carrying capacity of the retrofitted composite arch. Based on the experiments, repairing and strengthening effects of the CFRP retrofitted broken arch were revealed. Simplified analysing model was suggested to predict the peak load of the CFRP retrofitted broken arch. According to the research, it is confirmed that absolutely broken PC arch can be completely repaired and reinforced, and even behaves more excellent than the intact PC arch when bonded together and strengthened with CFRP sheets. Using CFRP bonding/wrapping technique a novel efficient composite PC arch structure can be constructed, the comparison between rebar reinforced concrete (RC) arch and composite PC arch reveals that CFRP reinforcements can replace the function of steel bars in concrete arch.

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