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 Strengthening effects of circumferential CFRP layers for thin-walled steel cylinders under axial compression
Tác giả hoặc Nhóm tác giả: Nhut Phan Viet, Yukihiro Matsumoto
Nơi đăng: Steel Construction Engineering; Số: 26 (103);Từ->đến trang: 19-26;Năm: 2019
Lĩnh vực: Kỹ thuật; Loại: Bài báo khoa học; Thể loại: Quốc tế
TÓM TẮT
Recently, the security and integrity of large thin-walled steel cylinders (TSCs) have been threatened by an increasing number of high-magnitude earthquakes. To develop a sustainable economy and infrastructure, existing tanks must be strengthened. In this study, we investigate the strengthening effects of circumferential CFRP layers on the increasing load-carrying capacities of TSCs under compressive load through finite element analysis (FEA) and experiments. The results show that circumferential CFRP layers, particularly high-strength CFRP sheets, can increase the load-carrying capacity of TSCs. In addition, numerical results are found to correspond well with experimental results.
ABSTRACT
Recently, the security and integrity of large thin-walled steel cylinders (TSCs) have been threatened by an increasing number of high-magnitude earthquakes. To develop a sustainable economy and infrastructure, existing tanks must be strengthened. In this study, we investigate the strengthening effects of circumferential CFRP layers on the increasing load-carrying capacities of TSCs under compressive load through finite element analysis (FEA) and experiments. The results show that circumferential CFRP layers, particularly high-strength CFRP sheets, can increase the load-carrying capacity of TSCs. In addition, numerical results are found to correspond well with experimental results.
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