Rola wypełniaczy wapiennych w cemencie w kształtowaniu właściwości reologicznych zaczynów

The results of investigations of the limestone fillers influence on the rheological properties of the cement pastes are presented. It is shown that the addition of limestone fillers to cement, in the amount of 10% up to 40% wt., causes increase of the rheological parameters. The higher is the filler content in cement and fine fractions in filler, the bigger is the increase of the rheological parameters. The fluidity level of cement pastes in the presence of a superplasticizer depends on the amount of fine fractions in limestone fillers. In this case, the bigger is the content of limestone fillers, the higher is the cement pastes fluidity.