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http://dx.doi.org/10.5345/JKIBC.2014.14.4.322

Evaluation of Early Compressive Strength of Concrete Using Early Strength Improvement Type Cement and Early Strength Activator  

Park, Gyu-Yeon (Department of Architectural Engineering, Chungnam National University)
Kim, Gyu-Yong (Department of Architectural Engineering, Chungnam National University)
Choe, Gyoeng-Choel (Department of Architectural Engineering, Chungnam National University)
Publication Information
Journal of the Korea Institute of Building Construction / v.14, no.4, 2014 , pp. 322-328 More about this Journal
Abstract
In this study, revelation performance of concrete at early age according to types of cement, water reducing ratio of high performance superplasticizer and mixing of accelerator for early hydration was examined aiming for reduction of construction period of framework through securing strength at early age of concrete. It was observed that strength at early age, 5MPa in 12hours, 14MPa in 18hours, is secured by early strength improvement type cement and using promotion admixture for early hydration which are Sodium persulfate, Potassium hydroxide. Therefore cost reduction is expected to be possible in construction site by reducing construction period of frame work.
Keywords
early strength improvement type cement; early strength; early srength acvator; construction duration;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
연도 인용수 순위
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