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동의어 포함
PURPOSES : In this study, an image analysis method is used to evaluate the pore structure characteristics and permeability of hybrid concrete.
METHODS: The binder weight of hybrid concrete is set to 400 kg/m³, 370kg/m³, and 350 kg/m³, and for each value of binder weight, the pore structure and permeability of concrete mixture is evaluated. The permeability of hybrid concrete is evaluated using a rapid chloride penetration test(RCPT).
RESULTS : The concrete pore structure characteristics of hybrid concrete reveals that as the binder weight is reduced, the entrained air is reduced and the entrapped air is increased. The permeability of the hybrid concrete for all values was measured to be below 1000 C, which indicates a "Very Low" level of permeability relative to the evaluation standard of KS F 2711. Additionally, as the binder weight is decreased, there is a significant increase in the permeability of chloride ions.
CONCLUSIONS : In this study, the pore structure characteristics of hybrid concrete at different binder weights shows that as the binder weight is reduced, the entrained air is reduced and the entrapped air is increased. Consequently, chloride ion penetration resistance of the hybrid concrete is diminished. As a result, it is expected that this will reduce the concrete’s durability.| 번호 | 참고문헌 | 국회도서관 소장유무 |
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| 2 | Choi, P. K., 2009, Causes and Prevention of Bridge Deck Overlay Cracking in VES-LMC, Kang Won National University, doctorate thesis, pp.105-115. | 미소장 |
| 3 | Jang, B. J., Chon, B. J., Hong, Y. H. and Lim, H. B., 2014, A Study on the Development of Optimized Mix Design of Hybrid Concrete, Proc. of Korea Concrete Institute, Vol.26, No.1, pp.463-464. | 미소장 |
| 4 | Estimation of Air Void System and Permeability of Latex-Modified Concretes by Image Analysis Method | 소장 |
| 5 | Luther, M. D., 1993, Silica fume Concrete in Bridge, Concrete International Vol. 15, No 4, pp. 29-33. | 미소장 |
| 6 | Ohama,Y., 1987, Principle of Latex Modification and Some Typical Properties of LMC, ACI Material Journal, Vol.84, No.6, pp.511-518. | 미소장 |
| 7 | Ozyildirim, C., 1993, High-Performance Concrete for Transportation Structures Concrete International Vol. 15, No 4, pp. 29-33. | 미소장 |
| 8 | Pigeon M. and Pleau R., 1995, Durability of Concrete in Cold Climates, E & FN SPON, pp.43-115. | 미소장 |
| 9 | Won, J. P., Seo, J. M., Lee, C. S. and Park, H. K., 2005, Long-Term Durability of High-Performance Concrete for Bridge Deck Overlay, Journal of the Korea Society od Civil Engineers, Vol.25, No.6, pp.1027-1033. | 미소장 |
| 10 | Optimum Mix Design of High-Performance Concrete for Bridge Deck Overlay by Statistical Method | 소장 |
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