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Strength Development of Concrete subjected to Low-Temperature Condition Controled by an In-situ Temperature Monitoring System(ITMS)
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 Title & Authors
Strength Development of Concrete subjected to Low-Temperature Condition Controled by an In-situ Temperature Monitoring System(ITMS)
Kim, Kyoung-Min; Lee, Gun-Cheol; Jang, Su-Geun; Yoon, Seung-Joe;
When determining the level of curing, time of form removal and bringing in prestress on a concrete curing site, it is recommended that strength test be performed by using test piece that has been cured in the same way as the concrete on the site. However, in actual construction sites, the curing time is mostly decided for structural concrete according to the general rules suggested by concrete standard specification, instead of testing the test piece, for reasons such as easy application and lack of proper test equipment. In some cases, the structural concrete strength is evaluated based on the test piece cured on site next to the structural concrete. In this case, it can show much lower strength than the actual structural concrete, causing a longer construction period and higher costs. Therefore, this study reviewed the strength development properties by temperature tracking curing and compared them in terms of strength development properties of conventional curing methods such as sealing curing. For testing conditions, strength development properties were examined based on water cement ratio (W/C) in low temperature and temperature tracking. As a result, in temperature tracking curing, the strength development properties were significantly different from onsite sealing curing, and lower water cement ratio (W/C) indicated larger difference between onsite sealing curing and temperature tracking method.
In-situ Temperature Monitoring System(ITMS);Strength development;Cold weather concrete;Admixture;
 Cited by
저온환경하 콘크리트 시공을 위한 영하온도 경화가능형 시멘트 모르타르 및 단열·발열거푸집 개발에 관한 실험적 연구,김목규;박장현;김형철;최현국;이한승;

대한건축학회논문집:구조계, 2016. vol.32. 5, pp.11-18 crossref(new window)
An Experimental Study on Below Zero Temperature Curable Cement Mortar and Insulated·Heating Forms Development for Concrete Casting at Low Temperature, Journal of the Architectural Institute of Korea Structure & Construction, 2016, 32, 5, 11  crossref(new windwow)
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