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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.14 No.4
- 발행연도
- 2020.7
- 수록면
- 573 - 584 (12page)
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초록· 키워드
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As a type of cement-based composite reinforcement material, textile reinforced concrete (TRC) has the advantages of corrosion resistance, high bearing capacity and good crack limit performance. Its bonding performance with the existing concrete interface is the key factor affecting the reinforcement effect. To study the interfacial adhesion between TRC and existing concrete, the sodium chloride concentration, the frequency and number of dry and wet cycles, the bonding length of the TRC reinforcement layer and the type of reinforcement were analysed by a double-sided shear test, XRD (X-ray diffraction) and SEM (scanning electron microscope) micro-test techniques. The influence of other factors on the interfacial bonding properties was further elaborated based on the theory of fracture energy. The results show that interface damage under chloride attack was mainly divided into three typical interface failure modes. By increasing the concentration of sodium chloride, reducing the frequency of dry and wet cycles and increasing the number of dry and wet cycles, the interface microstructure damage could be aggravated. Using cast-in-place reinforcement and increasing the bonding length could enhance the bonding performance of the interface.
목차
Abstract
1. Introduction
2. Test Conditions
3. Test Results and Analysis
4. Conclusion
References
참고문헌 (23)
참고문헌 신청
Ascione, L. / 2015 / A qualification method for externally bonded Fibre Reinforced Cementitious Matrix(FRCM)strengthening systems / Composites Part B Engineering 78:497~506
Balonis, M. / 2010 / Impact of chloride on the mineralogy of hydrated Portland cement systems / Cement and Concrete Research 40(7):1009~1022
Barhum, R. / 2012 / Effect of short, dispersed glass and carbon fibres on the behaviour of textile-reinforced concrete under tensile loading / Engineering Fracture Mechanics 92(92):56~71
Bournas, D. A. / 2007 / Textile-reinforced mortar versus fiber-reinforced polymer confinement in reinforced concrete columns / ACI Structural Journal 104(6):740~748
D’Ambrisi, A. / 2012 / Bond-slip relations for PBO-FRCM materials externally bonded to concrete / Composites : Part B 43(8):2938~2949
Balonis, M. / 2010 / Impact of chloride on the mineralogy of hydrated Portland cement systems / Cement and Concrete Research 40(7):1009~1022
Barhum, R. / 2012 / Effect of short, dispersed glass and carbon fibres on the behaviour of textile-reinforced concrete under tensile loading / Engineering Fracture Mechanics 92(92):56~71
Bournas, D. A. / 2007 / Textile-reinforced mortar versus fiber-reinforced polymer confinement in reinforced concrete columns / ACI Structural Journal 104(6):740~748
D’Ambrisi, A. / 2012 / Bond-slip relations for PBO-FRCM materials externally bonded to concrete / Composites : Part B 43(8):2938~2949
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UCI(KEPA) : I410-ECN-0101-2020-532-001098689