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논문 기본 정보

자료유형
학술저널
저자정보
Dong-Joo Kim (Sejong University) Antoine E. Naaman (The University of Michigan) Sherif El-Tawil (The University of Michigan)
저널정보
한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.3 No.2
발행연도
2009.12
수록면
119 - 126 (8page)

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초록· 키워드

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This paper provides a brief summary of the performance of an innovative slip hardening twisted steel fiber in comparison with other fibers including straight steel smooth fiber, high strength steel hooked fiber, SPECTRA (high molecular weight polyethylene) fiber and PVA fiber. First the pull-out of a single fiber is compared under static loading conditions, and slip ratesensitivity is evaluated. The unique large slip capacity of T-fiber during pullout is based on its untwisting fiber pullout mechanism, which leads to high equivalent bond strength and composites with high ductility. Due to this large slip capacity a smaller amount of T-fibers is needed to obtain strain hardening tensile behavior of fiber reinforced cementitious composites. Second, the performance of different composites using T-fibers and other fibers subjected to tensile and flexural loadings is described and compared. Third, strain rate effect on the behavior of composites reinforced with different types and amounts of fibers is presented to clarify the potential application of HPFRCC for seismic, impact and blast loadings.

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Abstract
1. Introduction
2. Research significance
3. Slip hardening pullout behavior
4. Influence of slip hardening on tensile behavior of HPFRCC
5. Influence of slip hardening on flexural behavior of HPFRCC
6. Strain rate effect on HPFRCC
7. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2014-530-002770456