The Lateral Buckling of Steel-Concrete Composite П-Beam


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Based on the theoretical analysis of steel-concrete composite П-beam’s lateral buckling, the computing model and simplified computing model on the stability of composite П-beams are brought forward. According to above two models, composite beam’s lateral buckling is studied in negative moment regions using the energy method, and the formulas which are used to calculate critical bending moment in negative moment regions in the elastic stage are deduced. Compared with other stability theories and methods, this paper represents the design correction and suggestion about the stability of composite П-beam in negative bending regions. Moreover, the simplified calculation method, which is used to compute the lateral critical buckling moment of steel-concrete composite П-beam loaded by equal-end moment, not only simplifies the computing process, the computing results also have the equivalent accuracy with numerical computing methods.



Key Engineering Materials (Volumes 400-402)

Edited by:

Jingsi Huo, Yan Xiao, Zongjin Li and Shuaib Ahmad






L. Z. Jiang et al., "The Lateral Buckling of Steel-Concrete Composite П-Beam", Key Engineering Materials, Vols. 400-402, pp. 287-293, 2009

Online since:

October 2008




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