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Variation of Application Period of Cold Weather Concrete in Korea
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 Title & Authors
Variation of Application Period of Cold Weather Concrete in Korea
Han Min-Chul;
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 Abstract
In this paper, the changes of the period of cold weather concrete in Korea with the elapse of age are discussed to investigate the influence of elapse of age on period of cold weather concrete. The climate data of Korean Meteorological Administration(KMA) ranging from 1971 to 2000 was used. The period of cold weather concrete was calculated by following the specification of Korea Concrete Institute(KCI), American Concrete Institute(ACI) and Architectural Institute of Japan(AIJ), respectively. Previous research by the authors used the climate dada of KMA from 1961 to 1990 and research conducted by Kim M.H. used the climate data from 1931 to 1980 were also compared with the period of present paper. According to the results, in present paper, the period of cold weather concreting by KCI was calculated about 95days on average and the period by ACI was 101 days on average and the period by AIJI was 92days on average. For the variation of the period with the elapse of time, the period of cold weather concrete by KCI and ACI in present paper was shortened by as much as 56days compared with that of previous paper 10years ago. However, the period of cold weather concreting by AIJ did not exhibit a marked reduction in the period compared with that of previous paper by the author. But the period by Kim following AIJ exhibited a decrease in the period compared to the period by present paper by as much as 3days. For regional influence, the period of cold weather concreting in southern part of Korea was found to be much shorter than those at northern part. This may be due to the rising of mean temperature caused by global warming effect.
 Keywords
cold weather concrete;Korean concrete Institute;American Concrete Institute;Architectural Institute of Japan;
 Language
Korean
 Cited by
1.
우리나라 한중콘크리트 시공시 경미한 동결기 및 동결작용기간 결정,한민철;

대한건축학회논문집:구조계, 2009. vol.25. 3, pp.69-76
2.
영하온도에서 UP-MMA 폴리머 모르타르의 강도 발현에 미치는 골재 및 양생온도의 영향,연규석;김용성;차진윤;손승완;

한국농공학회논문집, 2011. vol.53. 5, pp.25-33 crossref(new window)
1.
Strength development characteristics of UP-MMA based polymer concrete with different curing temperature, Construction and Building Materials, 2012, 37, 387  crossref(new windwow)
2.
Effects of Aggregate and Curing Temperature on Strength Development of UP-MMA based Polymer Mortar under Sub-Zero Temperature, Journal of The Korean Society of Agricultural Engineers, 2011, 53, 5, 25  crossref(new windwow)
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