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Title |
Evaluation of Residual Strength and Fire Resistance Performance of CaO Activated Cementless Composite Exposed to High Temperature Environment
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Authors |
최세진(Se-Jin Choi) ; 이재인(Jae-In Lee) ; 김채영(Chae-Young Kim) ; 김민정(Min-jeong Kim) ; 이호준(Ho-Jun Lee) |
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DOI |
https://doi.org/10.4334/JKCI.2025.37.3.297 |
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Keywords |
무시멘트 복합체; 시멘트 복합체; 내화성능; 모르타르; 페이스트 cementless composite; cement composite; fire resistance; mortar; paste |
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Abstract |
Cementless composites are regarded as a potentially advantageous substitute for cement composites, as they have the potential to reduce carbon dioxide emissions in the construction industry by eliminating the use of cement. However, there is a paucity of research on the fire resistance performance of CaO-activated cementless composites. This study compared and analyzed the residual strength and fire resistance performance of conventional cement composites and CaO-activated cementless composites. It was found that the cementless composite exhibited a relatively higher flow rate than the cement composite, while the compressive strength was relatively lower. Following heating, the surface morphology and internal center temperature change of the cementless composites demonstrated superior morphology and internal temperature change compared to the cement composites, indicating enhanced fire resistance performance.
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