Mechanical Behavior of Geopolymer Matrix Composites with the Addition of Steel Fibers

The production of clinker uses a high amount of energy and releases a large volume of greenhouse gases. The search for more sustainable production processes has permeated several sectors of academy and industries, in this context, geopolymersGeopolymer have been widely studied as an alternative proposal to conventional cementCements. Steel fibersSteel fibers are an important reinforcement for high mechanical performance concretesConcrete and mortarsMortar. In this work, compositesComposite were prepared with a geopolymeric mortarMortar matrix, reinforced with 1.5 and 3.0% of steel fiberSteel fibers, in relation to the mass of metakaolinMetakaolin used as precursor element. Studies were carried out on the gain of mechanical propertiesMechanical properties, with compression and flexural strength. In addition to the mechanical propertiesMechanical properties, water absorption and density tests in the hardened state were performed. The tests showed good properties of the compositesComposite produced.