Effect of Potassium Sulfate on the Portland Cement Pastes Setting Behavior
Myroslav Sanytsky, Тetiana Kropyvnytska, Orest Shyiko
Abstract
The article deals with the effect of potassium sulfates on the setting behavior of cement pastes. It has been established that the main elements (Ca, Si, Al) are distributed in the composition of clinker minerals, while K and S atoms are concentrated locally in the pores with the formation of arcanite. It is shown that the interaction of K2SO4 and CaSO42H2O followed by the formation of syngenite K2Ca(SO4)2H2O causes destructive phenomena in cement pastes.
Topics & Concepts
Clinker (cement)CementPotassiumPortland cementSulfateMaterials scienceMineralogyPotassium sulfateChemical engineeringMetallurgyComposite materialChemistryEngineeringConcrete and Cement Materials ResearchInnovative concrete reinforcement materialsMagnesium Oxide Properties and Applications