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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.2
- 발행연도
- 2017.6
- 수록면
- 365 - 375 (11page)
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초록· 키워드
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An experimental evaluation of crack propagation and post-cracking behavior in steel fiber reinforced concrete (SFRC) beams, using full-field displacements obtained from the digital image correlation technique is presented. Surface displacements and strains during the fracture test of notched SFRC beams with volume fractions (Vf) of steel fibers equal to 0.5 and 0.75% are analyzed. An analysis procedure for determining the crack opening width over the depth of the beam during crack propagation in the flexure test is presented. The crack opening width is established as a function of the crack tip opening displacement and the residual flexural strength of SFRC beams. The softening in the post-peak load response is associated with the rapid surface crack propagation for small increases in crack tip opening displacement. The load recovery in the flexural response of SFRC is associated with a hinge-type behavior in the beam. For the stress gradient produced by flexure, the hinge is established before load recovery is initiated. The resistance provided by the fibers to the opening of the hinge produces the load recovery in the flexural response.
목차
Abstract
1. Introduction
2. Materials and Methods
3. Results
4. Summary and Findings
References
참고문헌 (35)
참고문헌 신청
544.1R-96. (2006). Report on fiber reinforced concrete. Farmington Hills, MI: American Concrete Institute.
544.8R-16. (2016). Report on indirect method to obtain stressstrain response of fiber-reinforced concrete (FRC), ACI Committee 544 ACI 544.8R. Farmington Hills, MI: American Concrete Institute.
Abdallah, S., Fan, M., Zhou, X., & Le Geyt, S. (2016). Anchorage effects of various steel fibre architectures for concrete reinforcement. International Journal of Concrete Structures and Materials, 10(3), 325?335.
Adjrad, A., Bouafia, Y., Kachi, M. S., & Ghazi, F. (2016). Prediction of the rupture of circular sections of reinforced concrete and fiber reinforced concrete. International Journal of Concrete Structures and Materials, 10(3), 373?381.
Ali-Ahmad, M., Subramaniam, K., & Ghosn, M. (2006). Experimental investigation and fracture analysis of debonding between concrete and FRP sheets. Journal of engineering mechanics, 132(9), 914?923.
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UCI(KEPA) : I410-ECN-0101-2018-532-000881321