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논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 한상훈
- 발행연도
- 2014
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이 논문의 연구 히스토리 (4)
2013
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In this study, two types of water-soluble sulfur, LSA and LSB, were developed and the influence of the water-soluble sulfur on the mechanical properties and durability of concrete were experimentally evaluated.
It was obtained from compressive test for mortar specimens that, regardless of water-soluble sulfur type, compressive strength of mortar with up to 3% water-soluble sulfur was higher than that of normal mortar without water-soluble sulfur.
In order to evaluate mechanical properties of concrete with water-soluble sulfur, compressive strength test, static modulus of elasticity test, flexural strength test, and bonding strength test were performed. Compressive strength of only concrete with 1% LSA was increased while that of concrete with LSB was proportionally increased with the higher LSB dosage. On the other hand, flexural strength of concrete with LSA and LSB was increased by 12-41% and 36-74%, respectively. Static modulus of elasticity of concrete with water-soluble sulfur was almost similar to that of normal concrete.
In order to evaluate durability of concrete with water-soluble sulfur, rapid carbonation test and sulfate resistance test were performed. Carbonation and sulfate resistance of concrete with water-soluble sulfur were linearly enhanced with the higher water-soluble sulfur dosage. Carbonation and sulfate resistance of concrete with water-soluble sulfur were increased by 25-66% and 2.2-36%, respectively and its antimicrobial performance also met design code.
As a result, it should be noted that the water-soluble sulfur can not only solve the demerit of sulfur concrete but also offer the durability of sulfur concrete to normal concrete.
It was obtained from compressive test for mortar specimens that, regardless of water-soluble sulfur type, compressive strength of mortar with up to 3% water-soluble sulfur was higher than that of normal mortar without water-soluble sulfur.
In order to evaluate mechanical properties of concrete with water-soluble sulfur, compressive strength test, static modulus of elasticity test, flexural strength test, and bonding strength test were performed. Compressive strength of only concrete with 1% LSA was increased while that of concrete with LSB was proportionally increased with the higher LSB dosage. On the other hand, flexural strength of concrete with LSA and LSB was increased by 12-41% and 36-74%, respectively. Static modulus of elasticity of concrete with water-soluble sulfur was almost similar to that of normal concrete.
In order to evaluate durability of concrete with water-soluble sulfur, rapid carbonation test and sulfate resistance test were performed. Carbonation and sulfate resistance of concrete with water-soluble sulfur were linearly enhanced with the higher water-soluble sulfur dosage. Carbonation and sulfate resistance of concrete with water-soluble sulfur were increased by 25-66% and 2.2-36%, respectively and its antimicrobial performance also met design code.
As a result, it should be noted that the water-soluble sulfur can not only solve the demerit of sulfur concrete but also offer the durability of sulfur concrete to normal concrete.
목차
I. 서 론 11.1 연구의 목적 및 필요성 11.2 연구동향 31.3 연구방법 및 범위 6Ⅱ. 유황 및 유황 콘크리트의 이론적 고찰 82.1 국내·외 유황 생산량 82.2 유황원소의 특성 102.2.1 녹는점과 응고점 102.2.2 점도 122.2.3 밀도 132.2.4 색 142.2.5 강도특성 152.2.6 열 특성 152.2.7 동소 변형 172.3 유황의 화학적 특성 232.3.1 액체 상태의 유황 232.3.2 고체 상태의 유황 252.3.3 온도에 따른 유황의 특성 변화 252.4 유황 콘크리트의 종류 282.4.1 유황 콘크리트(Sulfur Concrete, SC) 282.4.2 개질유황 콘크리트(Modified Sulfur Cement Concrete,MSCC) 302.4.3 수용성 유황 콘크리트(Water-Soluble Sulfur Concrete,WSSC) 312.5 수용성 유황(Water-Soluble Sulfur) 332.5.1 수용성 유황 제조 332.5.2 가성소다(NaOH) 332.5.3 생석회(CaO) 34Ⅲ. 수용성 유황을 첨가한 모르타르의 특성 353.1 사용재료 353.1.1 수용성 유황 353.1.2 시멘트 353.1.3 잔골재 363.2 시험방법 363.3 시험결과 38Ⅳ. 수용성 유황을 첨가한 콘크리트의 특성 404.1 시험계획 404.1.1 시험항목 404.1.2 시험 변수 및 배합표 414.2 사용재료 434.2.1 수용성 유황 434.2.2 시멘트 434.2.3 잔골재 434.2.4 굵은골재 434.2.5 고성능 감수제 444.3 시험체 제작 및 양생 444.4 콘크리트 시험방법 464.4.1 슬럼프 및 공기량 시험 464.4.2 압축강도 및 정탄성계수 464.4.3 휨강도 474.4.4 접착강도 484.4.5 황산 저항성 시험 494.4.6 촉진 탄산화 시험 504.4.7 항균성능 평가 514.5 시험결과 534.5.1 슬럼프 및 공기량 534.5.2 압축강도 554.5.3 정탄성계수 574.5.4 휨강도 584.5.5 접착강도 604.5.6 황산 저항성 624.5.7 촉진 탄산화 644.5.8 항균성능 69Ⅴ. 결 론 72참고문헌 74
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