ResumenSe sintetizaron dos morteros geopoliméricos basados en Metacaolín y residuo de ladrillo, modificados con adiciones orgánicas e inorgánicas para ser utilizados como potenciales recubrimientos sobre concretos. Se evaluaron sus propiedades en estado fresco (fluidez, tiempo de fraguado) y en estado endurecido (resistencia a la compresión y tracción, absorción, porosidad y conductividad térmica). Los resultados muestran la viabilidad de producir morteros Clase R1 y R2 en concordancia con la Norma EN 1504-3 en cuanto a las propiedades mecánicas y se evidencia que los sistemas geopoliméricos producidos presentan menor conductividad térmica comparada a los morteros basados en OPC sugiriendo comportamiento tipo aislante. AbstractIn the present study, two geopolimeric mortars based on Metakaolin and brick residue were synthesized; these were modified with organic and inorganic additions to be used as potential coatings on concrete. Properties in a fresh state (fluidity, setting time) and in a hardened state (compressive and traction strength, absorption, porosity and thermal conductivity) were evaluated. The results show the feasibility of producing Class R1 and R2 mortars in accordance with Revista EIA, ISSN 1794-1237 / Año XVI / Volumen 16 / Edición N.31 / Enero-Junio 2019 Publicación semestral de carácter técnico-científico / Universidad EIA, Envigado (Colombia)
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