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한국건축시공학회 / v.7, no.1, 2007년, pp.91-98 
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양생조건에 따른 플라이애쉬 콘크리트의 소성수축균열 특성
( The Plastic Cracking Properties of Fly Ash Concrete with Various Curing Conditions ) |
| 남재현;박종화; 대전대학교 건축공학과;한국수력원자력(주);
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| 초 록 |
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| In this study, the property and plastic cracking pattern of concrete were compared and analyzed with the replacement ratio of fly ash 0, 5, 10, 15, 20% by cement weight. And curing conditions of concrete were given variously such as indoors(with wind speed as 0, 300, 500m/min), outdoors and chamber. The hydration temperature had a tendency to decrease as the replacement ratio of fly ash increased, and in the case of the wind speed 0m/min, it was showed that the moment that the amount of evaporation of water from surface of reference concrete was more than the volume of bleeding was 90 min since casting concrete. The time that the crack initiated had a tendency to be more quickly as the replacement ratio of fly ash increased. The number, length, width and area of crack in the indoor curing, exposed outdoor curing, enclosed outdoor curing had a tendency to decrease as the replacement ratio of fly ash increased. The crack had a tendency to decrease in sequence of exposed outdoor, enclosed outdoor curing, indoors curing. The outbreak of cracking by the change of temperature and humidity was affected by relative humidity more than temperature and the cracking had a tendency to increase as relative humidity lowered. |
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| 키워드 |
| 소성수축균열;플라이애쉬;균열패턴;양생조건;Plastic Shrinkage Cracking;fly ash;cracking pattern;curing conditions; |
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한국건축시공학회지 / v.7, no.1, 2007년, pp.91-98
한국건축시공학회
ISSN : 1598-2033
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200714539108760)
언어 : 한국어 |
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| 논문 제공 : KISTI 한국과학기술정보연구원 |
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