SECOND – ORDER ANALYSIS IN BRACED SLENDER COLUMNS PART I: APPROXIMATE EQUATION FOR COMPUTING THE ADDITIONAL MOMENTS OF SLENDER COLUMNS | ||||
| JES. Journal of Engineering Sciences | ||||
| Article 1, Volume 45, No 2, March and April 2017, Page 118-141 PDF (1.06 MB) | ||||
| Document Type: Research Paper | ||||
| DOI: 10.21608/jesaun.2017.116095 | ||||
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| Author | ||||
| M . A. Farouk | ||||
| Civil engineering Department, Engineering collage, Al - Jouf University | ||||
| Abstract | ||||
| Second- order analysis in braced slender columns was investigated in this study. The present study is concerned with two main points. The first point is focusing on how to compute the additional moments in slender columns according to accredited equations in different codes as well as the basics and the assumptions of these equations. In the second point, approximate equation was suggested to compute the additional moments in slender columns. This equation was proved in elastic analysis and for the cases of single curvature in slender columns. The equation was proved by considering the column supported on two pin supports with rotational springs. The rotational springs represent the connected beams with the columns. The suggested equation gave matching values of the induced additional moments of slender columns compared with finite element results in elastic analysis. | ||||
| Keywords | ||||
| Second order; Finite element; Additional moment; Slender column | ||||
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