Assessment of the alkali-silica reactivity potential in granitic rocks
Aneta Antolik, Daria Jóźwiak–Niedźwiedzka
Abstract
The alkali-silica reactivity of granites may significantly affect the durability of road and airfield concrete pavements. The aim of the study was to evaluate the reactivity of granites commonly used as an aggregate in concrete pavements, with particular emphasis on microscopic methods. The research was focused on petrographic diagnosis of reactive minerals in granites, their quantitative analysis and comparison of the obtained results with standard measurements. The strained quartz was recognized as a reactive component and the linear relationship between its content and specimens expansion was found.
Topics & Concepts
PetrographyQuartzDurabilityAlkali–silica reactionReactivity (psychology)Aggregate (composite)GeologyMineralogyAlkali metalGeochemistryMaterials scienceComposite materialChemistryOrganic chemistryAlternative medicineMedicinePathologyConcrete and Cement Materials ResearchBuilding materials and conservationRock Mechanics and Modeling