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Journal of the Korea Concrete Institute

J Korea Inst. Struct. Maint. Insp.
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  • Korea Citation Index (KCI)

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Title Bonding Properties of Repair Mortar Using Low-Temperature Sintering ECO-Friendly WPC Developed in Response to the Carbon Crisis
Authors 박수현(Su-Hyeon Park) ; 이병재(Byung-Jae Lee) ; 김윤용(Yun-Yong Kim)
DOI https://doi.org/10.11112/jksmi.2026.30.1.1
Page pp.1-8
ISSN 2234-6937
Keywords WPC 모르타르; 저온 소성; 불소계 산업부산물; 시멘트 클링커; 탄소배출 저감 WPC mortar; Low temperature sintering; Fluorine based industry by-product; Cement clinker; CO2 emission reduction
Abstract This study investigated the potential of utilizing Fluorine-based Semiconductor Sludge FSS as a mineralizer for the low-temperature sintering of White Portland Cement (WPC) in response to the carbon crisis by demonstrating that FSS-incorporated WPC achieves equivalent or superior compressive strength at a 1,450°C firing temperature (a 50°C reduction from conventional methods), while the resulting repair mortar confirms its applicability as a sustainable repair material by meeting KS standards for whiteness, dimensional stability, and bond performance, with the shear bond strength (1.90 times the tensile bond strength) showing a high correlation (>98 %) to the tensile bond strength.