Browsing by Author "Yanchaguano Toapanta, Doris Verónica"

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    Análisis de aluminosilicatos como material de sustitución parcial del cemento tipo GU en la construcción
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Civil, 2021-02) Yanchaguano Toapanta, Doris Verónica; Coello Fiallos, Diana Carolina
    In this work, the study of physical, chemical, and mechanical properties was carried out, mainly encompassing density and fineness, applying the INEN 0156 and INEN 0489 standards respectively with Natural Zeolite samples: ZR, ZC collected from rock of the Mina Zeonatec and ZCa obtained from the Calmosacorp S.A. processor, as well as from the CGU cement. The results obtained from the tests carried out with respect to density show values of 2.304, 2.330, 2.339 and 3.075 grams per cubic centimeter, in the same way the results of finesse 99.83, 99.71, 99.87 and 99.95 percent with zeolites ZR, ZCa, ZC, and CGU respectively are presented. With chemical characterization morphology was obtained by SEM, where in the analysis they showed similarity between samples, especially when analyzing SEM images of the CGU and ZC samples, where the shape of the crystals are angular polyhedral with superficially fine sizes and mostly flat grains. The EDS analysis is also known for the concentration of chemical elements that make up each of the samples studied and the silicon-aluminum ratio contained in such samples, thus outstanding the Si/Al ratio of ZCa with a value of 4.52 dimensionless which represents better concentration than the same CGU with 3.4. Zeolites with better properties were compared, concluding that zeolite ZC presents conditions suitable for replacement by CGU since both density, fineness and morphological characterization showed results close to cement.