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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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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
- 415 - 433 (19page)
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초록· 키워드
오류제보하기
Beam-column joints in existing concrete buildings might not satisfy the design requirements for seismic reinforcement details specified in current seismic design codes. Thus, in this study, various retrofit solutions for existing exterior beam-column joints with non-seismic details were developed: head re-bars anchoring, carbon fiber reinforced polymer (CFRP) wrapping, haunch retrofit element, and steel jacketing with various shapes and sizes. To investigate the seismic performance of exterior joints strengthened with the proposed retrofit solutions, seven half-scale exterior reinforced concrete beam-column joints including one control specimen and six retrofitted specimens were fabricated and tested under cyclic loading simulating earthquake loading. The test results showed that the proposed retrofit solutions could partially enhance the seismic capacity of the beam-column joints: steel jackets could increase deformation and load-carrying capacities; steel haunch elements could increase the load-carrying capacity, stiffness, and dissipated energy; and head re-bar anchoring and CFRP wrapping did not significantly effect on the seismic capacity of the beam-column joints.
목차
Abstract
1. Introduction
2. Experimental Program
3. Experimental Results and Discussion
4. Conclusions
References
참고문헌 (51)
참고문헌 신청
ACI 352R. (2002). Recommendations for Design of beam? column connections in monolithic reinforced concrete structures. Farmington Hills, MI: American Concrete Institute.
ACI Committee 440. (2012). Guide for the design and construction of externally bonded FRP systems for strengthening concrete structures, ACI 440.2R-02. USA: American Concrete Institute.
ACI 374.2R-13. (2013). Guide for testing reinforced concrete structural elements under slowly applied simulated seismic loads. ACI Committee 374.
ACI 318-14. (2014). Building code requirement for structure concrete (ACI 318-14). Farmington Hills, MI, USA: American Concrete Institute.
Al-Tarazi, E. (2000). The major gulf of the Aqaba earthquake, 22 November 1995?Maximum intensity distribution. Natural Hazards, 22(1), 17?27.
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UCI(KEPA) : I410-ECN-0101-2018-532-001249667