Abstract:Se investigaron pastas de cementos híbridos base pumicita volcánica (Pum) alternativos al cemento Pórtland (CP) mediante un diseño de experimentos de superficie de respuesta. Los factores experimentales fueron la relación Pum:CP de 75:25 a 25:75, cantidad de activador %Na2SO4 (NS) de 4-12% y contenido de Ca(OH)2 (CH) en relaciones molares de 0.5-1.25. Los cementos con 25-50% Pum registraron creciente resistencia a la compresión con 31-43 MPa a los 28 días; mayor %Pum redujo la resistencia. Los activadores favo… Show more
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