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Studium vlastností polymery modifikovaných malt využívající skelný recyklát / Study of the Properties of Polymer-modified Mortars using Recycled GlassDořičáková, Michaela January 2017 (has links)
Master´s thesis deals with the study properties of polymer modified mortars using recycled glass and is divided into two parts, theoretical and practical. In the theoretical part has been expert search which deals with polymer modified mortars using recycled glass. On the basis of this information has been formulate practical part, which focused on the study properties of mortars depending on the time period and environment.
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Evaluación de las propiedades mecánicas y capacidad autolimpiable del mortero c/a 1:5 de cemento portland tipo I modificado con dióxido de titanio (TIO2), en la ciudad de LimaBernuy Chavez, Giancarlo Orlando, Flores Cortez, Howard Hans 24 June 2020 (has links)
El deterioro de las construcciones realizadas a base de cemento, producido en gran medida, por la exposición de estas a la emisión de gases tóxicos emanados por el creciente parque automotor hace que se busquen alternativas a fin de contrarrestar su efecto sobre los elementos más expuestos. Un nuevo método para afrontar este problema es la incorporación del fotocatalizador dióxido de titanio TiO2 capaz de desarrollar propiedades controladas por la luz solar como son la purificación del aire y la autolimpieza. Este trabajo busca introducir este componente orgánico al mortero de cemento usado para el tarrajeo de fachadas y elementos estructurales, para ello se adicionan diferentes porcentajes (5%,7.5% y 10%) de dióxido de titanio (TiO2) y se evalúan las propiedades de los morteros modificados haciendo uso de [1] para los ensayos de compresión, [2] para los ensayos de fluidez, [3]para los ensayos de absorción y [4] para los ensayos de actividad fotocatalítica. Este estudio concluye que el mejor porcentaje de adición de dióxido de titanio es de 5% con el cual se otorga al mortero de cemento la propiedad de autolimpieza sin perjudicar sustancialmente sus propiedades mecánicas. / The deterioration of the surfaces of the constructions made with mortar c/a 1: 5 of portland cement, are produced by being exposed to the emission of toxic gases emanating from the growing automobile fleet, this problem causes alternatives to be sought in order to counteract its effect on buildings and the environment. A new method to deal this problem is the incorporation of the titanium dioxide photocatalyst (TiO2) into the Portland cement mortar, which is capable of developing self-cleaning and air purification properties to be in contact with sunlight. This work seeks to introduce this organic component to the Portland cement mortar, used for the facade charging and structural elements, for this purpose, different percentages (5%, 7.5% and 10%) of titanium dioxide (TiO2) are added and the properties of the modified mortars making use of [1] compression tests, [2] fluidity tests, [3] absorption tests and [4] photocatalytic activity tests with which the self-cleaning capacity was verified. This study concludes that the best percentage of titanium dioxide addition is 5%, with which the portland cement mortar is granted self-cleaning property without substantially damaging its mechanical properties. / Tesis
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Studium vlastností polymery modifikovaných malt využívající pucolánově aktivní materiály / Study of the Properties of Polymer-modified Mortars using Pozzolana Active AdmixturesPyreňová, Eliška January 2016 (has links)
This diploma thesis is focused on the study of the properties of polymer-modified cementitious mortars which using pozzolanic active materials based on amorphous silica. Explores the possibilities of using the recycled glass as a partial replacement of cement in PMM. Properties of mortars are reviewed in mineralogical and technological point of view. For specification of the results were used the analysis RTG, DTA and REM.
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