An analytical study of the hysteretic behaviour of circular steel columns

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초록

In general, the hysteretic behaviour of steel structures subjected to dynamic loading such as earthquake is different to that subjected to static loading. This is due to change of the mechanical and the hysteretic characteristics of structural steels during dynamic deformation. To accurately predict hysteretic behaviour of steel structures under dynamic loading, the difference of load carrying capacity and deformation behavior in accordance with various loading rates, assumed static and dynamic deformation conditions, must be investigated. In this paper, numerical analyses of circular steel columns are performed for loading rate and diameter-thickness ratio by using three-dimensional elastic-plastic finite element analysis employed dynamic hysteresis model. Characteristics of hysteretic behavior of circular steel columns for loading rate are clarified by analysis results. © 2007 Civil-Comp Press.

키워드

Circular steel column; Dynamic hysteresis model. loading rate; Threedimensional elastic-plastic finite element analysis; Analysis results; Circular steels; Deformation behavior; Diameter-thickness ratio; Dynamic deformation; Dynamic hysteresis models; Dynamic loadings; Elastic-plastic finite element analysis; Hysteretic behavior; Hysteretic behaviour; Hysteretic characteristics; Loading rate; Static and dynamic; Static loading; Structural steels; Building materials; Computer aided engineering; Deformation; Dynamic analysis; Dynamic loads; Elastoplasticity; Environmental engineering; Finite element method; Hysteresis; Loading; Steel construction; Steel structures; Three dimensional; Structural analysis
제목
An analytical study of the hysteretic behaviour of circular steel columns
저자
Jang, G.C.; Chang, K.H.; Lee, C.H.
발행일
2007-09
유형
Conference Paper
저널명
Proceedings of the 11th International Conference on Civil, Structural and Environmental Engineering Computing, Civil-Comp 2007