Analytical Study on Ultimate Strength of Steel-Concrete Composite Sections Under Biaxial Bending
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概要
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Effects of loading path on the ultimate strength and the moment-curvature relation of composite cross sections subjected to axial load and biaxial bending were investigated analyzing four kinds of cross section : steel wide-width H-shape, steel square tube, concrete-filled steel square tube and SRC containing steel wide-width H-shape. Three types of loading path were considered : i)monotonically increasing bending moment Mx with constant My, ⅱ)proportional loading with a constant ratio of bending moments, My/Mx, and ⅲ)proportional deformation with a constant ratio of biaxial curvatures, Φy/Φx. It was found that the same point on the ultimate strength interaction was reached regardless of the loading paths, the maximum values of bending moments may be different from those at the ultimate strength point on the interaction, in the case of the cross section of which flexural strengths about two principal axes were largely different, and the strength deterioration after the maximum strength attained appears most severely in the case of loading type with constant My.
- Faculty of Engineering, Mie Universityの論文
- 1996-12-24
Faculty of Engineering, Mie University | 論文
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