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논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 배수호, 유영찬
- 발행연도
- 2020
- 저작권
- 안동대학교 논문은 저작권에 의해 보호받습니다.
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Abstract
Ferronickel slag is a by-product from the ferronickel smelting process and it is divided into water granulated ferronickel slag and air-cooled ferronickel slag according to cooling system. The former has been researched to utilize as a fine aggregate for concrete because its grading falls within the standard grading but the latter has been mainly used for ascon because its particle type is coarse and its grading is outside the standard grading.
The purpose of this research is to investigate the mechanical properties and resistance to freezing and thawing of concrete using air-cooled ferronickel slag(ACFNS) fine aggregate. For this purpose, the concrete specimens with water-cement ratio of 50% were made with ACFNS’s repacement ratios of 0%, 20%, 30%, 50%, 70% and 100% by volume of the fine aggregate.
It was observed from the test results that the compressive strength and static modulus of elasticity of ACFNS fine aggregate concrete were increased with increasing replacement ratio of ACFNS and the resistance to freezing and thawing of this was similar to reference concrete which had the relative dynamic modulus of elasticity of more than 90% during the freezing amd thawing of 300 cycles.
Ferronickel slag is a by-product from the ferronickel smelting process and it is divided into water granulated ferronickel slag and air-cooled ferronickel slag according to cooling system. The former has been researched to utilize as a fine aggregate for concrete because its grading falls within the standard grading but the latter has been mainly used for ascon because its particle type is coarse and its grading is outside the standard grading.
The purpose of this research is to investigate the mechanical properties and resistance to freezing and thawing of concrete using air-cooled ferronickel slag(ACFNS) fine aggregate. For this purpose, the concrete specimens with water-cement ratio of 50% were made with ACFNS’s repacement ratios of 0%, 20%, 30%, 50%, 70% and 100% by volume of the fine aggregate.
It was observed from the test results that the compressive strength and static modulus of elasticity of ACFNS fine aggregate concrete were increased with increasing replacement ratio of ACFNS and the resistance to freezing and thawing of this was similar to reference concrete which had the relative dynamic modulus of elasticity of more than 90% during the freezing amd thawing of 300 cycles.
목차
제 1장 서론 11.1 연구배경 및 목적 11.2 연구내용 및 방법 2제 2장 페로니켈 슬래그의 발생 및 활용 현황 42.1 개요 42.2 페로니켈 슬래그의 발생 현황 42.2.1 페로니켈 슬래그 제조 공정 42.2.2 국내 페로니켈 슬래그 생산량 62.3 페로니켈 슬래그의 활용 현황 72.3.1 국내 페로니켈 슬래그 재활용 현황 72.3.2 국외 페로니켈 슬래그 재활용 현황 112.4 페로니켈 슬래그 활용 시 영향 검토 152.4.1 폐기물 용출 시험 152.4.2 알칼리 골재 반응성 16제 3장 서냉 페로니켈 슬래그의 역학 및 동결융해 저항성 실험 193.1 사용재료 193.1.1 시멘트 193.1.2 골재 193.1.3 혼화제 213.2 실험방법 223.2.1 공시체 제작 223.2.2 압축강도 시험 253.2.3 정탄성계수 시험 263.2.4 동결융해 저항성 시험 27제 4장 실험결과 및 고찰 294.1 작업성 294.2 압축강도 344.3 정탄성계수 354.4 동결융해 저항성 36제 5장 결론 37참고문헌 39Abstract 44감사의 글 45
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