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A platform for research: civil engineering, architecture and urbanism
Ultimate Strength of Thin-Walled Stub Columns
This paper describes the post buckling behavior and ultimate load-carrying capacity of thin-walled cold-formed and welded stub columns in the large deflection elastic-plastic range. The analysis is based on the combined geometric and material nonlinear finite strip method in association with modified Hyushin yielding function. The thin-walled stub columns are subjected to a constant load eccentricity or to a constant compression eccentricity. Initial geometric imperfections of plate elements and the effect of rounding corners in cold-formed sections, and residual stresses in welded sections are also included in the analysis. The emphasis is placed on the numerical studies on the effects of the loading types, load eccentricities, and initial plate imperfections as well as on the width-thickness-ratios of the plates and the aspect ratios of the sections on the post buckling behavior and ultimate load-carrying capacity of thin-walled stub columns. The comparison of the theoretical results of this study with the experimental results conducted by Zhang is shown and an agreement between the two is found to be quite satisfactory.
Ultimate Strength of Thin-Walled Stub Columns
This paper describes the post buckling behavior and ultimate load-carrying capacity of thin-walled cold-formed and welded stub columns in the large deflection elastic-plastic range. The analysis is based on the combined geometric and material nonlinear finite strip method in association with modified Hyushin yielding function. The thin-walled stub columns are subjected to a constant load eccentricity or to a constant compression eccentricity. Initial geometric imperfections of plate elements and the effect of rounding corners in cold-formed sections, and residual stresses in welded sections are also included in the analysis. The emphasis is placed on the numerical studies on the effects of the loading types, load eccentricities, and initial plate imperfections as well as on the width-thickness-ratios of the plates and the aspect ratios of the sections on the post buckling behavior and ultimate load-carrying capacity of thin-walled stub columns. The comparison of the theoretical results of this study with the experimental results conducted by Zhang is shown and an agreement between the two is found to be quite satisfactory.
Ultimate Strength of Thin-Walled Stub Columns
Y. Guo (author) / Y. Fukumoto (author)
1995
12 pages
Report
No indication
English
Civil Engineering , Cold working , Columns (Supports) , Elastic buckling , Elastoplasticity , Load carrying capacity , Plate theory , Residual stress , Structural strain , Thin walls , Welded structures , Compression loads , Deflection , Dynamic structural analysis , Eccentricity , Nonlinearity , Numerical analysis , Thickness ratio , Foreign technology
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