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논문 기본 정보

자료유형
학술저널
저자정보
Ashenafi Tofu Chofore (Wolaita Sodo University (WSU)) Bahiru Bewket Mitikie (Adama Science & Technology University) Abenezer Tariku Haile (Addis Ababa Science and Technology University (AASTU))
저널정보
한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.17 No.1
발행연도
2023.1
수록면
103 - 117 (15page)

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초록· 키워드

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The current study aimed to investigate the influence of the expired hardened cement blended with ground granulated blast furnace slag on the bond, microstructure, and durability of high-strength concrete (HSC). Five concrete mixes are prepared; the first mix is taken as a control, and the remaining four mixes are used as experimental blends. HSC characteristics are evaluated by compressive, flexural, splitting tensile, bond, and durability tests. Furthermore, the ultrasonic pulse velocity and microstructural characteristics tests are carried out to check concrete quality. The synergistic action of blends (expired harden cement with GGBS) on the strength test results was found to increase with an increase in blends up to 20%. The durability result reveals that HSC was found to be impermeable under aggressive conditions. The microstructural characteristics achieved in the current investigation explain the above strength, bond, and durability performance of these mixes. The whole performance of blends in HSC is adequate for industrial use.

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Abstract
1 Introduction
2 Experimental Investigation
3 Results and Discussion
4 Conclusion
References

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