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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제17권 제6호
- 발행연도
- 2016.6
- 수록면
- 641 - 647 (7page)
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An important issue associated with wintertime construction is the ability to mix fresh concrete without it freezing. To obtainthe required compressive strength, warm curing or heat curing is often performed at the construction site. However, both thesemethods are difficult to manage, incur the risk of fire, and have low energy efficiency, with excessive heat loss to thesurrounding environment. To overcome these problems, here we evaluate the performance of concrete as a function of theconcentrations of high early strength cement and accelerator for protection against freezing. Our aim is to develop a concrete witha compressive strength of 5 MPa within one day of aging to prevent early frost damage. We achieve this compressive strengthdevelopment when the amounts of high early strength cement and accelerator exceed 15%. Increasing the amount of acceleratorincreases the early compressive strength by shortening the setting time and enhancing Ca(OH)2 formation. Thus, early frostdamage could be prevented in low-temperature concrete construction work without warm curing or heat curing when the waterto-binderratio is reduced. The use of high early strength cement and an accelerator for freeze protection is optimized
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참고문헌 (17)
참고문헌 신청
R. Demirbo a / 2014 / Constr. Build. Mater 64:114~120
F. Karagöl / 2013 / Cold Reg. Sci. Technol 89:30~35
F. Karagöl / 2015 / Constr. Build. Mater 76:388~395
J. -S. Ryou / 2012 / Mater. Sci. Eng. A 532:84~90
고경택 / 2013 / An Experimental Investigation on Minimum Compressive Strength of Early Age Concrete to Prevent Frost Damage for Nuclear Power Plant Structures in Cold Climates / Nuclear Engineering and Technology 45(3):393~400
F. Karagöl / 2013 / Cold Reg. Sci. Technol 89:30~35
F. Karagöl / 2015 / Constr. Build. Mater 76:388~395
J. -S. Ryou / 2012 / Mater. Sci. Eng. A 532:84~90
고경택 / 2013 / An Experimental Investigation on Minimum Compressive Strength of Early Age Concrete to Prevent Frost Damage for Nuclear Power Plant Structures in Cold Climates / Nuclear Engineering and Technology 45(3):393~400
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