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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국계산역학회 Computers and Concrete, An International Journal Computers and Concrete, An International Journal Vol.17 No.2
- 발행연도
- 2016.1
- 수록면
- 271 - 280 (10page)
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초록· 키워드
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This study examined the mechanical properties and adiabatic temperature rise of low-heat concrete developed based on ternary blended cement using ASTM type IV (LHC) cement, ground fly ash (GFA) and limestone powder (LSP). To enhance reactivity of fly ash, especially at an early age, the grassy membrane was scratched through the additional vibrator milling process. The targeted 28-day strength of concrete was selected to be 42 MPa for application to high-strength mass concrete including nuclear plant structures. The concrete mixes prepared were cured under the isothermal conditions of 5°C, 20°C, and 40°C. Most concrete specimens gained a relatively high strength exceeding 10 MPa at an early age, achieving the targeted 28-day strength. All concrete specimens had higher moduli of elasticity and rupture than the predictions using ACI 318-11 equations, regardless of the curing temperature. The peak temperature rise and the ascending rate of the adiabatic temperature curve measured from the prepared concrete mixes were lower by 12% and 32%, respectively, in average than those of the control specimen made using 80% ordinary Portland cement and 20% conventional fly ash.
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참고문헌 (21)
참고문헌 신청
2011 / ACI Committee 318, ACI 318-11: Building Code Requirements for Structural Concrete and Commentary / American Concrete Institute
Alhozaimy, A / 2015 / Heat of hydration of concrete containing powdered scoria rock as a natural pozzolanic material / Constr. Build. Mater 81:113~119
American Society for Testing and Materials / 2004 / ASTM C150-04: Standard Test Methods for Portland Cement / ASTM International
Atis, C. D. / 2002 / Heat evolution of high-volume fly ash concrete / Cement Concrete Res 32(5):751~756
Bentz, D. P. / 2005 / Replacement of"coarse"cement particles by inert fillers in low w/c ratio concretes; II : experimental validation / Cement Concrete Res 35(1):185~188
Alhozaimy, A / 2015 / Heat of hydration of concrete containing powdered scoria rock as a natural pozzolanic material / Constr. Build. Mater 81:113~119
American Society for Testing and Materials / 2004 / ASTM C150-04: Standard Test Methods for Portland Cement / ASTM International
Atis, C. D. / 2002 / Heat evolution of high-volume fly ash concrete / Cement Concrete Res 32(5):751~756
Bentz, D. P. / 2005 / Replacement of"coarse"cement particles by inert fillers in low w/c ratio concretes; II : experimental validation / Cement Concrete Res 35(1):185~188
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