Abstract
Test and numerical study of 7021-T6 high strength aluminum alloy anchor channel embedded in reinforced concrete structure were carried out in this study. The vertical tensile test, transverse shear test and longitudinal shear test were conducted. The mechanical performances including the vertical tensile property, transverse shear property and longitudinal shear property of the specimens were analyzed. The 207 numerical models of 7021-T6 high strength aluminum alloy anchor channel embedded in reinforced concrete structures were analyzed, including the numerical models of 180 specimens under vertical tensile loading and 27 specimens under longitudinal shearing loading. According to the numerical analysis results, it was suggested that the channel thickness and notch thickness of the 7021-T6 high strength aluminum alloy anchor channel embedded in reinforced concrete structure should not be less than 5 mm. In addition, the comprehensive coefficient K and calculated formula of the ultimate bearing capacity of the 7021-T6 high strength aluminum alloy anchor channel embedded in reinforced concrete structure in the tensile state were proposed. Finally, the mechanical model was established to calculated and analyzed the transverse shear capacity of 7021-T6 high strength aluminum alloy anchor channel embedded in reinforced concrete structure.
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