Apparent Activation Energy for Predicting Compressive Strength of Concrete Using Blast Furnace Slag

Hyun Min Yang; Myung Won Cho; Won Jun Park; Han Seung Lee

doi:10.4028/www.scientific.net/AMM.764-765.13

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 764-765Apparent Activation Energy for Predicting...

Apparent Activation Energy for Predicting Compressive Strength of Concrete Using Blast Furnace Slag

Abstract:

Concrete with blast furnace slag (BFS) shows varied strength development properties under general temperature conditions. Therefore, a precise prediction of compressive strength using a full maturity model is desired. The purpose of this study is to predict the compressive strength of concrete with BFS by calculating the apparent activation energy (E_a) for each BFS replacement ratio, applying this activation energy to the equivalent age model, and then using the Carino model. For BFS replacement ratios of 0%, 10%, 30%, and 50%, E_ais calculated as 33.475 kJ/mol, 37.325 kJ/mol, 41.958 kJ/mol and 45.541 kJ/mol respectively. Finally, the compressive strength of concrete with BFS is predicted.

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Periodical:

Applied Mechanics and Materials (Volumes 764-765)

Pages:

13-17

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.764-765.13

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Online since:

May 2015

Authors:

Hyun Min Yang, Myung Won Cho, Won Jun Park*, Han Seung Lee

Keywords:

Activation Energy, Blast Furnace Slag, Compressive Strength, Concrete

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