Geopolymers properties regulating methods
Abstract
Geopolymers properties regulating methods
Incoming article date: 03.07.2020Geopolymers are a promising building material that can become an alternative to Portland cement. They are distinguished by the possibility of using industrial waste, in particular metallurgical slags as well as inexpensive liquid glass. These resource-efficient binders can be used for the production of concrete products in stationary factories or workshops. The paper provides general directions for regulating the structure formation and properties of geopolymers based on metallurgical slags mixed with activators. The mechanism of geopolymer hardening based on the interaction of non-active slag components with an alkaline activator is briefly described; it is a three-stage physical and chemical process that leads to the formation of a solid stone structure. The influence of raw material properties on the final product characteristics is described.
Keywords: geopolymer, geopolymer concrete, aluminosilicate component, alkaline activator, metallurgical slag, basicity modulus, strength