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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.10 No.1
- 발행연도
- 2016.3
- 수록면
- 29 - 37 (9page)
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초록· 키워드
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The paper presents a research project on the tensile properties of RPC mixed with both steel and polypropylene fibers after exposure to 20–900 ℃. The direct and the indirect tensile strength (in bending) were measured through tensile experiment on dog-bone specimens and bending experiment on 40 9 40 9 160 mm prisms. RPC microstructure was analyzed using scanning electron microscope. The results indicate that, steel fibers can significantly improve the tensile performance of hybrid fiber-reinforced RPC, whereas polypropylene fibers have no obvious effect on the tensile performance. With increasing temperature, the flexural and axial tensile strength of hybrid fiber-reinforced RPC substantially decrease linearly, which attributes to the deteriorating microstructure. Based on the experimental results, equations are established to express the decay of the flexural and tensile strength with increasing temperature.
목차
Abstract
1. Introduction
2. Experimental Program
3. Results and Discussions
4. Analysis of Microstructure
5. Conclusions
References
참고문헌 (29)
참고문헌 신청
[학술지(정기간행물)] - Bayard, O. / 2003 / Fracture mechanics of reactive powder concrete : material modelling and experimental investigations / Engineering Fracture Mechanics 70 : 839 ~ 851
[학술지(정기간행물)] - Chang, Y. -F. / 2006 / Residual stress-strain relationship for concrete after exposure to high temperatures / Cement and Concrete Research 36 : 1999 ~ 2005
[학술지(정기간행물)] - Chen, B. / 2004 / Residual strength of hybrid-fiberreinforced high-strength concrete after exposure to high temperatures / Cement and Concrete Research 34 (6) : 1065 ~ 1069
[학술지(정기간행물)] - Cheyrezy, M. / 1995 / Microstructural analysis of RPC(reactive powder concrete) / Cement and Concrete Research 25 : 1491 ~ 1500
[기타자료] - / 2004 / EN 1992-1-2: 2004, Eurocode 2: Design of concrete structures-Part 1-2: General rules-Structural fire design / European Committee for Standardization
[학술지(정기간행물)] - Chang, Y. -F. / 2006 / Residual stress-strain relationship for concrete after exposure to high temperatures / Cement and Concrete Research 36 : 1999 ~ 2005
[학술지(정기간행물)] - Chen, B. / 2004 / Residual strength of hybrid-fiberreinforced high-strength concrete after exposure to high temperatures / Cement and Concrete Research 34 (6) : 1065 ~ 1069
[학술지(정기간행물)] - Cheyrezy, M. / 1995 / Microstructural analysis of RPC(reactive powder concrete) / Cement and Concrete Research 25 : 1491 ~ 1500
[기타자료] - / 2004 / EN 1992-1-2: 2004, Eurocode 2: Design of concrete structures-Part 1-2: General rules-Structural fire design / European Committee for Standardization
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