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Study of the Durability of Modified Cementitious Composites
Bařina, Tomáš ; Bydžovský, Jiří (referee) ; Žižková, Nikol (advisor)
This diploma thesis deals with crystallization additives used to modify cement composites. Describes their principle of operation, application methods and also mentions the different manufacturers with their products. In this work were made test samples with Xypex Admix crystallization additive which were tested for mechanical and physical properties depending on the amount of crystallization additives, aggressive environment and the duration of exposure in this environment. Selected samples were analyzed with RTG, DTA, SEM and porosimetry for detailed examination of the microstructure.
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Study of new types of admixtures for waterproof concrete
Sikorová, Věra ; Másilko, Jiří (referee) ; Kalina, Lukáš (advisor)
This bachelor thesis is focused on the influence of crystallizing admixture for waterproof concrete. Reference concrete samples and modified concrete samples were prepared with different dosing of the crystallizing admixture, on which the standard test – the depth of penetration of water under pressure was carried out. The rheological properties of fresh concrete were verified by a slump test. The mechanical properties of the hardened concrete were examined by a compressive strength test. The mechanism of effect of the crystallizing admixture has been studied by scanning electron microscopy and X-ray diffraction analysis.
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Study of new types of admixtures for waterproof concrete
Sikorová, Věra ; Másilko, Jiří (referee) ; Kalina, Lukáš (advisor)
This bachelor thesis is focused on the influence of crystallizing admixture for waterproof concrete. Reference concrete samples and modified concrete samples were prepared with different dosing of the crystallizing admixture, on which the standard test – the depth of penetration of water under pressure was carried out. The rheological properties of fresh concrete were verified by a slump test. The mechanical properties of the hardened concrete were examined by a compressive strength test. The mechanism of effect of the crystallizing admixture has been studied by scanning electron microscopy and X-ray diffraction analysis.
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Study of the Durability of Modified Cementitious Composites
Bařina, Tomáš ; Bydžovský, Jiří (referee) ; Žižková, Nikol (advisor)
This diploma thesis deals with crystallization additives used to modify cement composites. Describes their principle of operation, application methods and also mentions the different manufacturers with their products. In this work were made test samples with Xypex Admix crystallization additive which were tested for mechanical and physical properties depending on the amount of crystallization additives, aggressive environment and the duration of exposure in this environment. Selected samples were analyzed with RTG, DTA, SEM and porosimetry for detailed examination of the microstructure.
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