The Mixing Control Range Selection of Concrete according to High Volume Mineral Admixture Replacement

Autor: Seong-Hwan Yang, Kab-Soo Hur, Gi-Won Yoon
Rok vydání: 2013
Předmět:
Zdroj: Journal of the Korea Institute of Building Construction. 13:282-290
ISSN: 1598-2033
DOI: 10.5345/jkibc.2013.13.3.282
Popis: In this study, the adjustment range of mixture factor with replacement mineral admixture was reviewed to secure the mixture change data of high volume concrete compared to general concrete. When changing the concrete mix to high volume concrete within the universal concrete mixing, the adjustment range of mixture to ensure optimum quality is as follows. Unit-water content is downward. Fine aggregate ratio dropped by approximately 1% when W/B was reduced by 5%, and it is reduced by approximately 0.12% when there is a 5% increase in the total replacement rate. When the FA replacement rate was increased by 5%, the AE agent was approximately 20% to 30% higher compared with the conventional one. When the FA and BS replacement rate rose by 5%, W/B was reduced by about 1 to 4%.
Databáze: OpenAIRE