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Combined Effect of Li, Cu and S Doping on Structure and Hydration of β Dicalcium Silicate
Sedlačík, Martin ; Bartoníčková, Eva ; Novotný, Radoslav ; Palovčík, Jakub ; Másilko, Jiří ; Staněk, Theodor ; Rybová, Alexandra
This study investigates the effect of Li, Cu and S on the structure and hydration of the beta modification of dicalcium silicate (β-C₂S). The doped β-C2S phase was prepared by burning beta-C2S with dopant sources. The structure of prepared β-C2S samples was examined using X-ray diffraction, scanning electron microscopy and infrared spectroscopy. Heat evolution during hydration was assessed by isothermal calorimetry. A positive effect on cement hydration was observed for several dopant combinations.
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Apartment building
Sedlačík, Martin ; Průša, David (referee) ; Brukner, Bohuslav (advisor)
The goal of bachelor thesis is to design and develop project documentation for a new apartment building with almost zero energy consumption for construction. The apartment building is located in Sady part of the town Uherské Hradiště. It is a five-storey building with an underground garage. A total of 14 apartments with balconies with a view on a part of Uherské Hradiště are designed in the building. The bearing masonry will be made up of cut clay brick blocks on which cast-in-place reinforced concrete floor will be placed. The building will be insulated with ETICS system. Facade colors will be in shades of gray and blue. The building will have an elevator and reinforced concrete staircase.
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Possibilities of utilisation of salt slags from aluminum production
Sedlačík, Martin ; Másilko, Jiří (referee) ; Opravil, Tomáš (advisor)
Bachelor thesis deals with characterisation of salt slag formed during melting of aluminium scrap in rotary furnaces and proposes options of utilization of this material as a secondary raw material. Samples from top, middle and bottom part of mould, where slag cools down after the melting process is finished, were tested. Aim of the thesis is also to evaluate the effect of air access during the cooling process on phase and chemical composition of salt slag. Particle size distribution, content of soluble substances and composition were examined in collected samples. Phase and chemical compositions of both soluble and insoluble portion of idividual fractions were determined using X-ray powder diffraction and X-ray fluorescence spectrometry.
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Inorganic thermal insulation material for masonry elements
Sedlačík, Martin ; Švec, Jiří (referee) ; Opravil, Tomáš (advisor)
This master’s thesis deals with preparation of foam glass and explores the possibilies of utilization of this material as an inorganic thermal insulating filler of fired hollow bricks. Foam glass was prepared via powder sintering method from waste packaging glass, using limestone and graphite as foaming agents. After inital analysis of raw materials, the effect of mixture composition and different processing parameters on bulk density, pore size and morphology of foam glass was investigated. Last but not least, different ways of manufacturing thermal insulating bricks, by preparation of foam glass directly in the cavities of fired hollow bricks, were tested.
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Hotel
Sedlačík, Martin ; Spáčil, Miroslav (referee) ; Brukner, Bohuslav (advisor)
The subject of the thesis is project documentation for the construction of a hotel building. The building has three above ground floors and one subterranean. In the underground floor there is parking and technical facilities of the hotel, on the first floor there is an entrance hall with a reception, a restaurant, an office and facilities for employees. On the second floor there are accommodation units and a gym, and on the last floor there are accommodation units and wellness.
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Influence of Waste Diatomite as a Raw Material on the Properties of the Inorganic Foam Glass
Nguyen, Martin ; Sedlačík, Martin ; Sokolář, Radomír ; Opravil, Tomáš
This article deals with the manufacturing process of inorganic foam glass with utilization of waste diatomite as a raw material. The waste diatomite was first subjected to an analysis of chemical and mineralogical composition. The foam glass was formed by a powder sintering method by pressing into pellets with the addition of a foaming agent. After firing, the properties of the foam glass were investigated using an X-ray diffraction analysis, scanning electron microscopy, bulk density, and compressive strength. The possibility of utilization of waste diatomite in raw material mixtures was investigated in accordance with the influence of firing temperature and the resulting properties of inorganic foam glass.
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Apartment building
Sedlačík, Martin ; Průša, David (referee) ; Brukner, Bohuslav (advisor)
The goal of bachelor thesis is to design and develop project documentation for a new apartment building with almost zero energy consumption for construction. The apartment building is located in Sady part of the town Uherské Hradiště. It is a five-storey building with an underground garage. A total of 14 apartments with balconies with a view on a part of Uherské Hradiště are designed in the building. The bearing masonry will be made up of cut clay brick blocks on which cast-in-place reinforced concrete floor will be placed. The building will be insulated with ETICS system. Facade colors will be in shades of gray and blue. The building will have an elevator and reinforced concrete staircase.
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|
|
Inorganic thermal insulation material for masonry elements
Sedlačík, Martin ; Švec, Jiří (referee) ; Opravil, Tomáš (advisor)
This master’s thesis deals with preparation of foam glass and explores the possibilies of utilization of this material as an inorganic thermal insulating filler of fired hollow bricks. Foam glass was prepared via powder sintering method from waste packaging glass, using limestone and graphite as foaming agents. After inital analysis of raw materials, the effect of mixture composition and different processing parameters on bulk density, pore size and morphology of foam glass was investigated. Last but not least, different ways of manufacturing thermal insulating bricks, by preparation of foam glass directly in the cavities of fired hollow bricks, were tested.
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Possibilities of utilisation of salt slags from aluminum production
Sedlačík, Martin ; Másilko, Jiří (referee) ; Opravil, Tomáš (advisor)
Bachelor thesis deals with characterisation of salt slag formed during melting of aluminium scrap in rotary furnaces and proposes options of utilization of this material as a secondary raw material. Samples from top, middle and bottom part of mould, where slag cools down after the melting process is finished, were tested. Aim of the thesis is also to evaluate the effect of air access during the cooling process on phase and chemical composition of salt slag. Particle size distribution, content of soluble substances and composition were examined in collected samples. Phase and chemical compositions of both soluble and insoluble portion of idividual fractions were determined using X-ray powder diffraction and X-ray fluorescence spectrometry.
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