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Ultimate Resisting Capacity of RC Columns Considering P-$\Delta$ Effect  

곽효경 (정회원·한국과학기술원 건설환경공학과)
김진국 (한국과학기술원 건설환경공학과)
김한수 (현대건설 기술연구소 책임연구원)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.15, no.1, 2002 , pp. 105-116 More about this Journal
Abstract
In this paper, an analytical model to predict the resisting capacity of slender RC columns is introduced. Material and geometric nonlinearities are taken into account, and the layer approach is adopted to simulate the different material properties across the sectional depth. On the basis of the obtained numerical analysis results, an improved design equation as a function of concrete strength, slenderness ratio, steel ratio and eccentricity for slender RC columns, which can be used effectively in the preliminary design stage, is introduced. Finally, P-M interaction diagrams constructed by the introduced equation are compared with the ACI method with the objective of establishing the relative efficiencies of the introduced equation.
Keywords
P-$\Delta$Slenderness; RC Column; Ultimate Resisting Capacity; Resisting Capacity Reduction Factor;
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