BINDER COMPOSITION COMPRISING FLY ASH AND HIGH-STRENGTH BINDER PREPARED THEREFROM

The present invention relates to a binder composition including fly ash and a high strength binder prepared therefrom. According to the present invention, a specific content of formate is mixed with a binder obtained by mixing fly ash which is an industrial by-product and quicklime (CaO) to form a C...

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Main Authors SUH JUNG IL, OH JAEEUN
Format Patent
LanguageEnglish
Korean
Published 28.02.2020
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Abstract The present invention relates to a binder composition including fly ash and a high strength binder prepared therefrom. According to the present invention, a specific content of formate is mixed with a binder obtained by mixing fly ash which is an industrial by-product and quicklime (CaO) to form a C-S-H bond, AFm phase, and katoite and calcite crystals in a binder after curing, and to increase a ratio thereof at the same time, thereby reducing pores and enhancing the initial strength and the long-term strength over time. The binder of the present invention may exhibit the strength the same as or higher than that of a cement-based binder, thereby being used as a binder substituted for the conventional cement-based binder. 본 발명은 플라이애시를 포함하는 결합재 조성물 및 이로부터 제조된 고강도 결합재에 관한 것이다. 구체적으로, 본 발명은 산업부산물인 플라이애시와 생석회(CaO)를 혼합한 바인더에 특정 함량으로 포름산염을 혼합함으로써, 양생 이후에 결합재 내 C-S-H 결합, AFm phase, 카토이트(katoite) 결정 및 방해석(calcite) 결정을 형성함과 동시에 이들의 비율을 높임으로써 공극을 줄이고, 초기 강도 및 시간 경과에 따른 장기 강도를 증진시킬 수 있다. 이렇게 제조된 본 발명의 결합재는 시멘트계 결합재와 동등하거나 또는 그 이상의 강도를 나타낼 수 있으므로, 종래 시멘트계 결합재를 대체할 수 있는 결합재로 사용될 수 있다.
AbstractList The present invention relates to a binder composition including fly ash and a high strength binder prepared therefrom. According to the present invention, a specific content of formate is mixed with a binder obtained by mixing fly ash which is an industrial by-product and quicklime (CaO) to form a C-S-H bond, AFm phase, and katoite and calcite crystals in a binder after curing, and to increase a ratio thereof at the same time, thereby reducing pores and enhancing the initial strength and the long-term strength over time. The binder of the present invention may exhibit the strength the same as or higher than that of a cement-based binder, thereby being used as a binder substituted for the conventional cement-based binder. 본 발명은 플라이애시를 포함하는 결합재 조성물 및 이로부터 제조된 고강도 결합재에 관한 것이다. 구체적으로, 본 발명은 산업부산물인 플라이애시와 생석회(CaO)를 혼합한 바인더에 특정 함량으로 포름산염을 혼합함으로써, 양생 이후에 결합재 내 C-S-H 결합, AFm phase, 카토이트(katoite) 결정 및 방해석(calcite) 결정을 형성함과 동시에 이들의 비율을 높임으로써 공극을 줄이고, 초기 강도 및 시간 경과에 따른 장기 강도를 증진시킬 수 있다. 이렇게 제조된 본 발명의 결합재는 시멘트계 결합재와 동등하거나 또는 그 이상의 강도를 나타낼 수 있으므로, 종래 시멘트계 결합재를 대체할 수 있는 결합재로 사용될 수 있다.
Author OH JAEEUN
SUH JUNG IL
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DocumentTitleAlternate 포름산염이 첨가된 플라이애시-함유 결합재 조성물 및 이로부터 제조된 고강도 결합재
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Snippet The present invention relates to a binder composition including fly ash and a high strength binder prepared therefrom. According to the present invention, a...
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SourceType Open Access Repository
SubjectTerms ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
Title BINDER COMPOSITION COMPRISING FLY ASH AND HIGH-STRENGTH BINDER PREPARED THEREFROM
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