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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
대한건축학회 대한건축학회 논문집 - 구조계 대한건축학회논문집 - 구조계 제20권 제6호
발행연도
2004.6
수록면
83 - 90 (8page)

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초록· 키워드

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This study is intended for how to utilize the recycled fine aggregate which is produced by concrete wastes.
It analyzes the quality of the fine aggregate which is reproduced through a dry production process with cyclone, and
comprehends the characteristics of mortar using the recycled fine aggregate to review whether it can be put to practical use for
concrete. The conclusions of the study are as follows
1. The recycled fine aggregate through the dry production process with cyclone shows the low rate of absorption and
impurity content after the cyclone process. It shows that its density is 2.37, absorption rate is 4.8 and stability is 5.1% and less.
Therefore, it satisfies the standards of KS F 2573(recycled aggregate for concrete) as the first grade.
2. Compared to the mortar made from natural fine aggregate, another using recycled one reduces the flow when the rate of
mix increases. The mortar of the 100% recycled fine aggregate reduces the flow to the maximum 15% comparing to that of
100% natural one.
The compressive strength of mortar using the dry recycled fine aggregate tends to be reduced according to the increase of
the mixing rate of recycled fine aggregate at the beginning, but as time passes, it shows that the compressive strength of
mortar using the recycled fine aggregate is fall off to that of natural one as the increase of mixing rate of fine aggregate.
Based on the above results, the recycled fine aggregate through the dry production process with cyclone satisfies the quality
standards of the first-grade recycled fine aggregate of KS F 2573 (recycled fine aggregate for concrete) and it is concluded that
the recycled fine aggregate can be used as fine aggregate because its characteristics are similar to the natural one when the
mortar is produced.

목차

Abstract

1. 서론

2. 싸이클론을 적용한 건식 재생 잔골재의 품질 특성

3. 싸이클론을 적용한 건식 재생 잔골재를 사용한 모르터 특성 실험

4. 결론

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