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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.11 No.3
- 발행연도
- 2017.9
- 수록면
- 459 - 475 (17page)
이용수
초록· 키워드
오류제보하기
Tubular reinforced concrete columns of air-cooling condenser structures, which undertake the most weight of air cooling equipment, are the major components to resist lateral forces under earthquake. Once collapsed, huge casualties and economic loss would be caused. Thus, four 1/8 scaled specimens were fabricated and tested through the pseudo-static testing method. Failure modes and crack patterns of the specimens under cyclic loading were observed. Then, finite element models of tubular reinforced concrete columns were established using OpenSees and were verified with the experimental results. Finally, the influence of axial compression ratio and longitudinal reinforcement on energy dissipation capacity and stiffness degradation were studied based on the validated finite element modes. It is confirmed that tubular reinforced concrete columns of air-cooling condenser structure exhibit a moderate ability of energy dissipation, and the nonlinear finite element model could reasonably simulate its seismic behavior. Furthermore, axial compression ratio and longitudinal reinforcement are main factors which affect the seismic behavior of the tubular reinforced concrete columns. The experimental results and simulation method provide an available way to design this kind of large tubular reinforced concrete columns with thin-wall.
목차
Abstract
1. Introduction
2. Experimental Program
3. Experimental Results And Specimen Behavior
4. Numerical Simulation
5. Parametric Studies
6. Conclusions
References
참고문헌 (30)
참고문헌 신청
Afefy, H. M., & El-Tony, E. T. M. (2016). Simplified design procedure for reinforced concrete columns based on equivalent column concept. International Journal of Concrete Structures and Materials, 10(3), 393?406.
Bathe, K. J., & Ramaswamg, S. (1979). On three-dimensional nonlinear analysis of concrete structures. Nuclear Engineering and Design, 52(3), 843?855.
Elmorsi, M., Kianoush, M. R., & Tso, W. K. (1998). Nonlinear analysis of cyclically loaded reinforced concrete structures. ACI Struct, 95(6), 725?739.
Esmaeily, A., Shirmohammadi, F. (2014). Performance and capacity assessment of reinforced concrete bridge piers considering the current load and resistance factor design provisions and plastic hinge length in Kansas. No. K-TRAN: KSU-11-5.
Filippou, F. C., Povov, E. P., Bertero, V. V. (1983). Effects of bond deterioration on hysteretic behavior of reinforced concrete joints.EERC Report No.UCB/EERC-83/19, Earthquake Engineering Research Center, University of California, Berkeley.
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UCI(KEPA) : I410-ECN-0101-2018-532-001249692