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Evaluation on In-Site Compressive Strength of High-Strength Concrete Mass Elements under Cold Weather
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 Title & Authors
Evaluation on In-Site Compressive Strength of High-Strength Concrete Mass Elements under Cold Weather
Mun, Jae-Sung; Yang, Keun-Hyeok; Kim, Do-Gyeu;
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 Abstract
This study evaluated the in-site compressive strength development of high-strength concrete developed for the mass structures under cold weather condition. Two mock-up wall specimens with in dimension were cured under an average temperature of . Core strengths measured at different locations of the mock-up walls were compared with the companion standard cylinder strengths. Test results revealed that the core strength of mock-up walls at an age of 3 days is higher by approximately 30% than the companion cylinder strength because of the high curing temperature effect generated from the heat of hydration of cementitious materials. Furthermore, comparisons with the prediction models based on maturity function confirmed that the effect of hydration heat on the curing temperature increase needs to be reflected to reasonably evaluate the on-site compressive strength development of concrete for mass elements.
 Keywords
mass structures;high strength;compressive strength;mock-up;
 Language
Korean
 Cited by
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