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http://dx.doi.org/10.5000/EESK.2002.6.1.023

Analytical Study on the Size Effect Influencing Inelastic Behavior of Reinforced Concrete Bridge Piers  

김태훈 (성균관대학교 토목환경공학과, 박사과정 수료)
김운학 (국립한경대학교 토목공학과)
신현목 (성균관대학교 토목환경공학과)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.6, no.1, 2002 , pp. 23-31 More about this Journal
Abstract
The purpose of this study is to investigate the size effect on inelastic behavior of reinforced concrete bridge piers. A computer program, named RCAHEST(reinforced concrete analysis in higher evaluation system technology), for the analysis for reinforced concrete structures was used. Material nonlinearity is taken into account by comprising tensile, compressive and shear models of cracked concrete and a model of reinforcing steel. The smeared crack approach is incorporated. In boundary plane at which each member with different thickness is connected, local discontinuous deformation due to the abrupt change in their stiffness can be taken into account by introducing interface element. The effect of number of load reversals with the same displacement amplitude has been also taken into account to model the reinforcing steel. To determine the size effect on bridge pier inelastic behavior, a 1/4-scale replicate model was also loaded for comparison with the full-scale bridge pier behavior.
Keywords
reinforced concrete bridge piers; inelastic behavior; size effect; material nonlinearity;
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