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서냉 고로슬래그 굵은골재의 특성 및 PHC 파일용 골재로의 활용 가능성 평가 KCI 등재

The Properties of Air-Cooled Blast Furnace Slag as Coarse Aggregates and the Applicability Evaluation to PHC Pile

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한국폐기물자원순환학회지 (Journal of Korea Society of Waste Management)
한국폐기물자원순환학회 (Korea Society Of Waste Management)
초록

In this study, from the material properties of the aggregates into the actual applications were evaluated for utilizingthe air-cooled blast furnace slag as the coarse aggregates (SG) in PHC piles. The physical and chemical characters ofthe SG were satisfied the standards presented in KS F 2544 for concrete blast furnace slag aggregates. And it was satisfiedthe environmental-factor-evaluation, including the soluble, heavy metal elution and total mercury content, and etc. In casethe non-washed type SG is used, the S/A ratio adjustment according to micro-powder of the aggregate surface and chemicaladmixture adjustment are needed in order to satisfy the aimed material properties. As the replacement ratio of SGincreased, the manifestation rate of compressive strength of the PHC piles was decreased. Particularly, in case non-washingtype SG, the manifestation rate more decreased. Therefore, the elimination of the pop-out materials and cleaning processare necessary for the production process for using the SG as coarse aggregates of PHC Piles

목차
I. 서 론
 II. 이론적 고찰
  1. PHC 파일
  2. 콘크리트용 고로슬래그 골재 규정 및 성질
 III. 실험계획 및 방법
  1. 실험계획
  2. 실험방법
 IV. SG 특성 평가
  1. SG의 물리/화학적 성질
  2. SG의 환경성 평가
  3. SG의 광물 분석
 V. 콘크리트 적용성 평가
  1. 굳지않은 콘크리트 특성
  2. 배합 특성 평가
  3. 굳은 콘크리트 특성
 VI. 결 론
 감사의 글
 References
저자
  • 박용규(아주산업 기술연구소) | Yong-Kyu Park Corresponding author
  • 윤기원(아주산업 기술연구소) | Ki-Won Yoon