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논문 기본 정보

자료유형
학술저널
저자정보
이한백 (선일공업) 서치호 (건국대학교) 김상헌 (건국대학교)
저널정보
대한건축학회 대한건축학회 논문집 - 구조계 大韓建築學會論文集 構造系 第26卷 第9號
발행연도
2010.9
수록면
95 - 102 (8page)

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As quantity of waste glass powder on the surface of lightweight aggregates increased, absolute dry density increased and water absorption reduced. This reasons are because the amount of coating increases, open pores on the surface of lightweight aggregates become more likely to be closed pores as well as increase to waste glass coating layer relatively reduced pore volume within lightweight aggregates. As sintering temperature of lightweight aggregates increased, absolute dry density reduced and water absorption increased. This reason such as above is because increase of sintering temperature invigorated CaCO₃ foaming agent included inner layer. In case of sintering less than 800℃ most lightweight aggregates, water absorption had been shown below 4% at 30wt% of waste glass powder and below 3% at 50wt% of waste glass powder. Thus coating of waste glass powder on the surface of lightweight aggregates proved effective in controlling water absorption. In conclusion, we manufactured lightweight aggregate for energy saving, main ingredient is used waste glass of a low softening point(about 700℃) and bottom ash containing unburned fixed carbon and volatile matter about 20~25%, which was possible to sinter by decreasing the sintering temperature about 20~30% than existing products. Manufacturing technology of lightweight aggregate has been secured similar water absorption level of natural aggregate, less than 3%, as sintering after coating the external surface with waste glass powder.

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Abstract
1. 서론
2. 이론적 고찰
3. 실험방법
4. 결과 및 고찰
5. 결론
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