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Buckling of frames braced by flexural bracing

Tong, G.S. / Ji, Y.

AbstractThis paper investigates the buckling of multistory frames braced by vertical beams. The sectional properties of the frames and the bracing beam are assumed to vary linearly along the height; the axial forces in the columns and the bracing beam are also assumed to linearly change along the height. A relationship between the buckling load and the bracing rigidity is established. The threshold rigidity for the vertical bracing beam which is just enough to make the frames buckle in a non-sway mode is obtained. The result may be used as a rational basis for classifying sway frames and non-sway frames after taking the influence of initial imperfections and lateral loads into account.

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Buckling of frames braced by flexural bracing

Tong, G.S. / Ji, Y.

AbstractThis paper investigates the buckling of multistory frames braced by vertical beams. The sectional properties of the frames and the bracing beam are assumed to vary linearly along the height; the axial forces in the columns and the bracing beam are also assumed to linearly change along the height. A relationship between the buckling load and the bracing rigidity is established. The threshold rigidity for the vertical bracing beam which is just enough to make the frames buckle in a non-sway mode is obtained. The result may be used as a rational basis for classifying sway frames and non-sway frames after taking the influence of initial imperfections and lateral loads into account.

Buckling of frames braced by flexural bracing

Tong, G.S. / Ji, Y.

AbstractThis paper investigates the buckling of multistory frames braced by vertical beams. The sectional properties of the frames and the bracing beam are assumed to vary linearly along the height; the axial forces in the columns and the bracing beam are also assumed to linearly change along the height. A relationship between the buckling load and the bracing rigidity is established. The threshold rigidity for the vertical bracing beam which is just enough to make the frames buckle in a non-sway mode is obtained. The result may be used as a rational basis for classifying sway frames and non-sway frames after taking the influence of initial imperfections and lateral loads into account.

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Title:

Buckling of frames braced by flexural bracing

Contributors:

Tong, G.S. (author) / Ji, Y. (author)

Published in:

Journal of Constructional Steel Research ; 63 ; 229-236

Publication date:

2006-04-11

Size:

8 pages

ISSN:

DOI:

https://doi.org/10.1016/j.jcsr.2006.04.002

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Frame , Buckling , Brace , Critical load , Threshold stiffness

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