Authors:B. Pacewska, M. Nowacka, I. Wilińska, W. Kubissa, and V. Antonovich
on hydration of Portland cement was proved [ 18 , 19 ]. However, in the literature no information about a role of spent catalyst as an agent limiting conversion of calcium aluminates in aluminate cementcomposites has been found.
The aim of
Authors:W. Nocuń-Wczelik, A. Bochenek, and M. Migdał
strengthened—the 7 and 28-day flexural strength data prove also the formation of fibrous ettringite component modifying the structure of hardened cementcomposite.
The presence of ettringite is clearly seen in the SEM micrographs ( Fig. 9 ). This is a
Authors:Barbara Pacewska, Iwona Wilińska, and Mariola Nowacka
silica into solution. In the case of conventional fly ash its initial low activity is confirmed by a lot of research works devoted to studies on this material as pozzolanic additive into Portland cementcomposites (e.g. [ 15 ]). Grains of pulverized fly