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http://dx.doi.org/10.11112/jksmi.2014.18.6.082

Maturity-Based Model for Concrete Compressive Strength with Different Supplementary Cementitious Materials  

Mun, Jae-Sung (경기대학교 일반대학원 건축공학과)
Yang, Keun-Hyeok (경기대학교 플랜트.건축공학과)
Jeon, Yong-Soo (경기대학교 일반대학원 건축공학과)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.18, no.6, 2014 , pp. 82-89 More about this Journal
Abstract
The purpose of this study is to propose a simple model to evaluate the compressive strength development of concrete with various supplementary cementitious materials (SCMs) and cured under different temperatures. For the generalization of the model, the ACI 209 parabola equation was modified based on the maturity function and then experimental constants A and B and 28-day compressive strength were determined from the regression analysis using a total of 265 data-sets compiled from the available literature. To verify the proposed model, concrete specimens classified into 3 Groups were prepared according to the SCM level as a partial replacement of cement and curing temperature. The analysis of existing data clearly revealed that the 28-day compressive strength decreases when the curing temperature is higher and/or lower than the reference curing temperature ($20^{\circ}C$). Furthermore, test results showed that the compressive strength development of concrete cured under $20^{\circ}C$ until an early age of 3 days was marginally affected by the curing temperature afterward. The proposed model accurately predicts the compressive strength development of concrete tested, indicating that the mean and standard deviation of the ratios between predictions and experiments are 1.00 and 0.08, respectively.
Keywords
Maturity function; Compressive strength development; Supplementary cementitious materials; Curing temperature;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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