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http://dx.doi.org/10.5000/EESK.2004.8.5.015

Nonlinear Finite Element Analysis of Reinforced Concrete Bridge Piers Including P-delta effects  

Kim, Tae-Hoon (대우건설기술연구소)
Yoo, Young-Hwa (한국철도기술연구원)
Choi, Jung-Ho (한경대학교 토목공학과)
Shin, Hyun-Mock (성균관대학교 토목환경공학과)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.8, no.5, 2004 , pp. 15-24 More about this Journal
Abstract
The purpose of this study is to investigate the inelastic behavior and ductility capacity of reinforced concrete bridge piers including P-delta effects. A computer program, named RCAHEST (Reinforced Concrete Analysis in Higher Evaluation System Technology), for the analysis of 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 addition to the material nonlinear properties, the algorithm for large displacement problem that may give an additional deformation has been formulated using total Lagrangian formulation. The proposed numerical method for the inelastic behavior and ductility capacity of reinforced concrete bridge piers is verified by comparison with reliable experimental results.
Keywords
P-delta effects; reinforced concrete bridge piers; material nonlinearity; large displacement problem; total Lagrangian formulation;
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