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자료유형
학술저널
저자정보
저널정보
대한건축학회 대한건축학회 논문집 - 구조계 大韓建築學會論文集 構造系 第19卷 第5號
발행연도
2003.5
수록면
71 - 78 (8page)

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초록· 키워드

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Improve thermal insulated in structure of building and examination of development existing material of material that can improve performance of structure is required.
There is expanded perlite that is having special quality suitable material to be used for composition material of building in various characteristic such as lightweight, incombustible, thermal insulation, sound absorption in this research.
But, is used circumscriptively. Therefore, was going to apply to concrete and estimate the performance. Hereafter, I wished to recognize about practical use of expanded perlite as insulating lightweight concrete aggregate.
Result that execute a concrete experiment that use in fine aggregate is as following.
1. According as the mixing rate increases 15% as result that average 2.25㎝ of slump value decreased. Air content was expose that 0.3∼0.4% increases.
2. Unit weight decreased by unit of average 23㎏/㎥ and 10㎏/㎥ according as increase by mixing rate 15% of expanded perlite. Improvement effect that is high more than wet condition that test piece gets into dry is expected.
3. Concrete compressive strength that use expanded perlite in fine aggregate expressed Compressive Strength of 248∼259kgf/㎠ in mixing design 210kgf/cm2. 240kgf/㎠'s mixing design expressed Compressive Strength of 290∼316kgf/㎠. Expressed higher value than 235kgf/㎠ and 279kgf/㎠ of standard mixing design.
4. Expanded perlite mixing rate rises, concrete compressive strength and tensile strength were fallen. Therefore, Choice of correct suitable mixing design to need in practical use usage.
5. Thermal conductivity is decrease average 0.059∼0.067㎉/mh℃ according as increase by mixing rate 15% of expanded perlite.

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Abstract
1. 서론
2. 팽창펄라이트의 제조공정 및 이용분야
3. 실험개요
4. 실험결과 및 분석
5. 결론
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