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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.12 No.3
- 발행연도
- 2018.3
- 수록면
- 329 - 338 (10page)
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This paper presents two shear tests of 3/4-in. diameter cast-in anchors embedded in the plastic hinge zone of reinforced concrete columns. Design codes, such as ACI 318-14, require special reinforcement for concrete anchors in concrete that could be substantially damaged during an earthquake. The test anchors in this study were equipped with the anchor reinforcement recommended and verified in the literature. The column specimens were subjected to quasi-static cyclic loading before the test anchors were loaded in shear. Steel fracture was achieved in both test anchors despite cracks and concrete spalling occurred to the concrete within the plastic hinge zones. Meanwhile, the measured anchor capacities were smaller than the code-specified capacity, especially for the anchors subjected to cyclic shear. Concrete cover spalling was found critical to the observed capacity reduction, which caused combined bending and shear action in the anchor bolts. Measures should be developed to mitigate such adverse impact. In addition, further studies are needed for post-installed anchors before practical applications.
목차
Abstract
1. Introduction
2. Literature on Anchor Behavior in Damaged Concrete
3. Experimental Program
4. Discussion of Test Results
5. Conclusion
References
참고문헌 (22)
참고문헌 신청
American Concrete Institute (ACI) Committee 318. (2011). Building code requirements for structural concrete (ACI 318-14). MI: Farmington Hills.
Badoux, M., & Jirsa, J. (1990). Steel bracing of RC frames for seismic retrofitting. ASCE Journal of Structural Engineering, 116(1), 55?74.
Cook, R. A., & Klingner, R. E. (1992). Ductile multiple-anchor steel to-concrete connections. Journal of Structural Engineering, 118(6), 1645?1665.
Eligehausen, R., Malle´e, R., & Silva, J. (2006). Anchorage in Concrete Construction. Berlin, Germany: Wilhelm Ernst & Sohn.
Grauvilardell, J., Lee, D., Hajjar, J., Dexter, R. (2005). Synthesis of design, testing and analysis research on steel column base plate connections in high-seismic zones. Structural Engineering Report No. ST-04-02. Minneapolis: University of Minnesota.
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UCI(KEPA) : I410-ECN-0101-2018-532-001900034