Residuos de vidrio como conglomerante y árido en morteros sostenibles
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2021-11-02
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Jaén: Universidad de Jaén
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La finalidad de este Trabajo de Fin de Grado es estudiar las propiedades de morteros
sostenibles de alta resistencia que incorporan de vidrio reciclado como material cementante
suplementario en sustitución del cemento Portland en proporciones del 10-60 % en peso. Se han
fabricado morteros de resistencia normal como referencia. Además de la sustitución de cemento
Portland por vidrio, también se ha realizado la sustitución de la cantidad de arena necesaria, por un
10% de vidrio filtrante empleado en las depuradoras de las piscinas una vez agotado. En los morteros
de alta resistencia la cantidad de superplastificante adicionado ha sido alrededor de un 3% de la
cantidad de agua, manteniendo una relación agua/material cementante de 0,5.
Las probetas se han sometido a una serie de ensayos, para obtener información de su
comportamiento físico (densidad aparente, absorción de agua por capilaridad), mecánico (resistencia
a flexión y compresión) y térmico (conductividad térmica).
The purpose of this Bachelor’s Degree Final Project is to study the properties of sustainable high- strength mortars incorporating recycled glass as a supplementary cementitious material to replace Portland cement in proportions of 10-60 % by weight. Mortars of normal strength have been manufactured as a reference. In addition to the replacement of Portland cement with glass, the necessary amount of sand has also been replaced with 10% of filter glass used in swimming pool treatment plants once it has been exhausted. In the high-strength mortars, the amount of superplasticiser added was around 3% of the amount of water, maintaining a water/cementitious material ratio of 0.5. The test specimens were subjected to a series of tests to obtain information on their physical (bulk density, capillary water absorption), mechanical (flexural and compressive strength) and thermal (thermal conductivity) behaviour.
The purpose of this Bachelor’s Degree Final Project is to study the properties of sustainable high- strength mortars incorporating recycled glass as a supplementary cementitious material to replace Portland cement in proportions of 10-60 % by weight. Mortars of normal strength have been manufactured as a reference. In addition to the replacement of Portland cement with glass, the necessary amount of sand has also been replaced with 10% of filter glass used in swimming pool treatment plants once it has been exhausted. In the high-strength mortars, the amount of superplasticiser added was around 3% of the amount of water, maintaining a water/cementitious material ratio of 0.5. The test specimens were subjected to a series of tests to obtain information on their physical (bulk density, capillary water absorption), mechanical (flexural and compressive strength) and thermal (thermal conductivity) behaviour.