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Modeling of non-ductile RC structure under near-fault ground motions: A nonlinear finite element analysis.
- Source :
- Advances in Structural Engineering; Jul2022, Vol. 25 Issue 9, p1878-1892, 15p
- Publication Year :
- 2022
-
Abstract
- The old existing reinforced concrete (RC) structures in Taiwan are susceptible to severe damage under earthquakes because of the soft-story mechanism. Moreover, the effects of near-fault ground motions often contain a long period of velocity pulse and permanent ground displacement. This study is based on the tri-axial shaking table test conducted at the National Center for Research on Earthquake Engineering in Taiwan and a series of seismic performance evaluations of a non-ductile RC structure in Taiwan. Finite element analysis (FEA) will be conducted to simulate the linear and nonlinear behavior of the seven-story building. This accommodates the damage plasticity model for concrete and the elastic-perfectly plastic model for reinforcement. Comparison of the results between the experimental test and numerical model showed that the similarity of the vibration period has a great influence on the simulation results. The findings showed that the data of acceleration and displacement behavior corresponded with the experimental results in a satisfactory margin. Also, the damage mode is very similar to the shaking table test results. The study found that using FEA can satisfactorily simulate the seismic performance of mid-rise buildings under a near-fault earthquake. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 13694332
- Volume :
- 25
- Issue :
- 9
- Database :
- Complementary Index
- Journal :
- Advances in Structural Engineering
- Publication Type :
- Academic Journal
- Accession number :
- 157770764
- Full Text :
- https://doi.org/10.1177/13694332221080602