Abstract
Abstract Geopolymers emerge as an ecological alternative for construction materials. These consist of a mixture of aluminosilicate sources and an alkaline solution that dissolves the silicon and aluminum monomers that come from the source to generate a gel called N–A–S–H that will control the main properties of the geopolymer. The geopolymer stands out for having good resistance to compression, as well as good resistance to high temperatures and corrosive environments. They have great potential as a replacement for classical technologies such as concrete, however, require further applied research to determine their feasibility on an industrial scale.
Highlights
A geopolymer is a semi-crystalline amorphous material formed through the polymerization reaction between an Geopolymers have been studied largely as building materials
The best known example is fly ash from coal-fired power plants. Geopolymer precursor materials, both in natural and by-product forms, are required to be rich in alumina (Al2O3) and silica (SiO2) because the elements present in these compounds play an important role in the hardening of geopolymers, since together with other elements they form the N–A–S–H gel, which is responsible for providing the characteristic strength of the material
Another alkaline activator that can be considered is alkali silicate solution, which is composed of a mixture of Si2O, Na2O or K2O, and H2O
Summary
A geopolymer is a semi-crystalline amorphous material formed through the polymerization reaction between an. Geopolymers have been studied largely as building materials It is a technology being developed in order to find a more eco-friendly option compared to Portland cement that forms concretes, bricks, etc. Their great advantage is that they can be generated through by-products from other industries. The best known example is fly ash from coal-fired power plants Geopolymer precursor materials, both in natural and by-product forms, are required to be rich in alumina (Al2O3) and silica (SiO2) because the elements present in these compounds play an important role in the hardening of geopolymers, since together with other elements they form the N–A–S–H gel, which is responsible for providing the characteristic strength of the material. This article seeks to compile the studies carried out on geopolymers, especially on their formation, and the most influential variables and the properties they possess
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