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The rheological properties of fresh ordinary concrete are closely affected by temperature and time. The paper presents the study of consistency of fresh concrete mixtures made with Portland cement and cement with calcareous fly ash. Two types of admixtures were used. It was proven that the temperature has a clear effect on workability and compressive strength concrete. Influence on workability can be reduced by selecting the appropriate superplasticizer and cement

transactions of the všb technical university of ostrava. civil engineering series/sborník vědeckých prací vysoké školy báňské-technické univerzity ostrava. řada stavební

Influence of Temperature on Workability and Compressive Strength of Ordinary Concrete with High Calcium Fly Ash