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논문 기본 정보

자료유형
학술저널
저자정보
Sang Whan Han (Hanyang University) Jin-Wook Kang (Hanyang University) Hyun-Woo Jee (Hanyang University) Myoungsu Shin (Ulsan  National Institute of Science and Technology) Kihak Lee (Sejong University)
저널정보
한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.12 No.4
발행연도
2018.5
수록면
491 - 505 (15page)

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초록· 키워드

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Coupled shear walls are efficient in resisting lateral forces induced by winds and earthquakes. However, it is difficult to construct coupled shear walls particularly because current design codes require complex reinforcing details within coupling beams. The objective of this study was to develop simple reinforcement details for diagonally reinforced coupling beams; reducing transverse steel by use of high-performance fiber-reinforced cementitious composites (HPFRCCs) and bundling diagonal bars are explored. Four coupling beam specimens with length-to-depth aspect ratios of 2.0 or 3.5 were fabricated and tested under cyclic lateral displacements. The test results revealed that HPFRCC coupling beams with bundled diagonal bars and widely spaced transverse reinforcement (one-half the amount of reinforcement required by current seismic codes) exhibited excellent seismic performance compared with ordinary concrete coupling beams having code-required distributed diagonal reinforcement and transverse reinforcement.

목차

Abstract
1. Introduction
2. Experimental Program
3. Test Results and Observations
4. Cyclic Deterioration, Energy Dissipation, and Shear Distortion
5. Conclusions
References

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