VALORIZACIÓN DEL RESIDUO ORGÁNICO CÁSCARA DE ALMENDRA EN LA FABRICACIÓN DE NUEVOS MATERIALES DE CONSTRUCCIÓN SOSTENIBLES.
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2020-10-22
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Jaén: Universidad de Jaén
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En este trabajo de fin de grado (TFG) se propone como solución a los problemas medioambientales derivados de la industria de la construcción, el empleo de cáscara de almendra como residuo orgánico para la fabricación de morteros de cemento Portland. Se han determinado sus propiedades físicas, mecánicas y térmicas en función del porcentaje de sustitución de la arena (0-100 % vol.) por el residuo biomásico a tiempos de curado de 7 y 28 días. Los resultados indican que conforme aumenta el contenido de cáscara de almendra en la composición de los morteros, por lo general, éstos poseen menor densidad aparente, conductividad térmica, resistencia a flexión y compresión. Sin embargo, la tendencia es creciente para la absorción de agua. En cuanto al estudio económico, se ha concluido que el coste de los morteros es creciente debido al mayor precio de la cáscara de almendra por el de arena.
In this final degree project (TFG), the use of almond shells as organic residue for the manufacture of Portland cement mortars is proposed as a solution to the environmental problems derived from the construction industry. Its physical, mechanical and thermal properties have been determined based on the percentage of substitution of the sand (0-100% vol.) By the biomass residue at curing times of 7 and 28 days. The results indicate that as the almond shell content increases in the composition of the mortars, in general, they have a lower apparent density, thermal conductivity, resistance to bending and compression. However, the trend is increasing for water absorption. Regarding the economic study, it has been concluded that the cost of mortars is increasing due to the higher price of the almond shell for that of sand.
In this final degree project (TFG), the use of almond shells as organic residue for the manufacture of Portland cement mortars is proposed as a solution to the environmental problems derived from the construction industry. Its physical, mechanical and thermal properties have been determined based on the percentage of substitution of the sand (0-100% vol.) By the biomass residue at curing times of 7 and 28 days. The results indicate that as the almond shell content increases in the composition of the mortars, in general, they have a lower apparent density, thermal conductivity, resistance to bending and compression. However, the trend is increasing for water absorption. Regarding the economic study, it has been concluded that the cost of mortars is increasing due to the higher price of the almond shell for that of sand.