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논문 기본 정보

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(연세대학교) (연세대학교) (연세대학교)
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대한설비공학회 설비공학논문집 설비공학논문집 제35권 제5호
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    초록·키워드

    The goal of this study was to develop and evaluate building finishing materials with excellent thermal and flame retardant performances using eco-friendly materials such as hwangtoh and biochar. The hwangtoh binder without biochar was found to have better thermal insulation performance than gypsum and higher heat storage than concrete.. The use of rice hull biochar was the most effective approach for weight reduction, and when 10% of the maximum weight was mixed, the density decreased by 60%. The results showed that the insulation performance could be improved by lowering the biochar mixture. Heat capacity analysis results showed a small decrease after mixing bamboo biochar; however, in most cases, it showed a higher heat storage capacity compared to concrete. Flame retardant analysis results showed that when 5% of each biochar was mixed, the total heat emission was higher than that of the hwangtoh binder, and there was a possibility of more than semi-incombustible performance; however, there was no ignition. The weight loss was up to 10.5%, and no significant change was found in the structureforming strength.

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