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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.80 No.1
- 발행연도
- 2021.10
- 수록면
- 91 - 101 (11page)
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In this paper, the effects of different replacement levels of halloysite nanotube (HNT), colloidal nano-silica (CS), micro-silica (MS), and the combination of them on the fresh and hardened properties of self-compacting lightweight concrete (SCLC) are studied. Four factors including water to binder ratio (w/b) with two levels of 0.35 and 0.45, CS with three replacement levels of 1, 3 and 5%, MS with the replacement level of 10% and HNT with three replacement levels of 1, 2 and 3% were chosen. The fresh properties of SCLCs were observed in terms of slump flow diameter and time, J-ring diameter, Vfunnel time and U-box tests. The hardened properties were determined through mechanical properties including compressive strength, tensile strength, modulus of elasticity and flexural strength. The non-destructive tests including electrical resistivity and water absorption were executed too. Moreover, the effects of MS, CS and HNT contents on the fracture energy of SCLC samples were studied. The results displayed that the mentioned properties for the SCLC specimens containingMS, CS and HNT improved, but the superior performance was obtained in binary mixes, which were created by adding both MS and CS simultaneously. The optimal conditions for having the best results were obtained when the amounts of MS and CS were 10% and 3%, respectively.
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참고문헌 (75)
참고문헌 신청
Afzali-Naniz O. / 2019 / Assessment of the influence of micro-and nano-silica on the behavior of selfcompacting lightweight concrete using full factorial design / Asia. J. Civil Eng 20(1):57~70
Afzali-Naniz, O. / 2018 / Effects of colloidal nanosilica on fresh and hardened properties of self-compacting lightweight concrete / J. Build. Eng 20:400~410
Afzali-Naniz, O. / 2019 / Fracture behavior of self-compacting semi-lightweight concrete containing nanosilica / Adv. Struct. Eng 22(10):2264~2277
Akcxaouglu, T. / 2004 / Effect of coarse aggregate size and matrix quality on ITZ and failure behavior of concrete under uniaxial compression / Cement Concrete Compos 26(6):633~638
Al-Khaiat, H. / 1998 / Effect of initial curing on early strength and physical properties of lightweight concrete / Cement Concrete Res 28:859~866
Afzali-Naniz, O. / 2018 / Effects of colloidal nanosilica on fresh and hardened properties of self-compacting lightweight concrete / J. Build. Eng 20:400~410
Afzali-Naniz, O. / 2019 / Fracture behavior of self-compacting semi-lightweight concrete containing nanosilica / Adv. Struct. Eng 22(10):2264~2277
Akcxaouglu, T. / 2004 / Effect of coarse aggregate size and matrix quality on ITZ and failure behavior of concrete under uniaxial compression / Cement Concrete Compos 26(6):633~638
Al-Khaiat, H. / 1998 / Effect of initial curing on early strength and physical properties of lightweight concrete / Cement Concrete Res 28:859~866
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