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http://dx.doi.org/10.5345/JKIBC.2019.19.6.503

Investigation on Factors Influencing Creep Prediction and Proposal of Creep Prediction Model Considering Concrete Mixture in the Domestic Construction Field  

Moon, Hyung-Jae (R&D Center, Lotte E&C)
Seok, Won-Kyun (R&D Center, Lotte E&C)
Koo, Kyung-Mo (R&D Center, Asia Cement Co., LTD.)
Lee, Sang-Kyu (Department of Architectural Engineering, Chungnam National University)
Hwang, Eui-Chul (Department of Architectural Engineering, Chungnam National University)
Kim, Gyu-Yong (Department of Architectural Engineering, Chungnam National University)
Publication Information
Journal of the Korea Institute of Building Construction / v.19, no.6, 2019 , pp. 503-510 More about this Journal
Abstract
Recently, construction technology of RC structures must be examined for creep in concrete. The factors affecting the creep prediction of concrete and the results of creep in domestic construction field were reviewed. The longer the creep test period and the higher the compressive strength, the higher the creep prediction accuracy. The higher the curing temperature, the higher the initial strength development of the concrete, but the difference in the creep coefficients increased over time. Based on the results of creep evaluation in the domestic construction field and lab. tests, a modified predictive model that complements the ACI-209 model was proposed. In the creep prediction of real members using general to high strength concrete, the test period and temperature should be considered precisely.
Keywords
high strength concrete; creep coefficient; heat of hydration; compressive strength; concrete mixture in domestic construction field;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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