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Buckling behavior of CFRP-aluminum alloy hybrid tubes in axial compression
HighlightsEleven CFRP-Al hybrid tubes and four pure Al tubes are investigated in axial compression test.Mechanism of hybrid tube buckling is studied.Column curves of long hybrid tubes are proposed.
AbstractNovel hybrid members, namely, CFRP-Al hybrid tubes, which are composed of Al (aluminum alloy) and CFRP (carbon-fiber-reinforced polymer) jackets, represent promising axial load members in civil engineering. Long CFRP-Al hybrid tubes with circular and square hollow sections are investigated in this study using bending and axial compressive buckling tests. Compression buckling analysis is performed using finite element analysis (FEA) and section analysis, which allow one to better understand the unique “partial elastic buckling” behavior of long hybrid members. In addition, a good agreement between FEA and bucking test results is achieved. Finally, based on FEA and the traditional Perry-Robertson formula, the column curves for long CFRP-Al hybrid tubes are given for design.
Buckling behavior of CFRP-aluminum alloy hybrid tubes in axial compression
HighlightsEleven CFRP-Al hybrid tubes and four pure Al tubes are investigated in axial compression test.Mechanism of hybrid tube buckling is studied.Column curves of long hybrid tubes are proposed.
AbstractNovel hybrid members, namely, CFRP-Al hybrid tubes, which are composed of Al (aluminum alloy) and CFRP (carbon-fiber-reinforced polymer) jackets, represent promising axial load members in civil engineering. Long CFRP-Al hybrid tubes with circular and square hollow sections are investigated in this study using bending and axial compressive buckling tests. Compression buckling analysis is performed using finite element analysis (FEA) and section analysis, which allow one to better understand the unique “partial elastic buckling” behavior of long hybrid members. In addition, a good agreement between FEA and bucking test results is achieved. Finally, based on FEA and the traditional Perry-Robertson formula, the column curves for long CFRP-Al hybrid tubes are given for design.
Buckling behavior of CFRP-aluminum alloy hybrid tubes in axial compression
Feng, Peng (Autor:in) / Hu, Lili (Autor:in) / Qian, Peng (Autor:in) / Ye, Lieping (Autor:in)
Engineering Structures ; 132 ; 624-636
19.11.2016
13 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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