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Verification of the composition of the concrete durability of cement-concrete covers
Černá, Eva ; Ťažký, Tomáš (referee) ; Hela, Rudolf (advisor)
Alcali – silica reaction often causes destruction of a concrete.constructions. In the theoretical part is described creation and causes of the ASR including assessment of individual components of concrete and their testing. The practical part is devoted to the results of some control tests of the concrete cover in the section 18 of the highway D1 (Měřín - Velké Meziříčí) and section D1-20 (Velké Meziříčí - Lhotka), the mechanical properties of the upper and the lower layer of the concrete cover and measuring the resistance of concrete against chemical deicing agents.
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Vytvoření funkčního přípravku pro namáhání materiálu v tlaku
DOLEŽAL, Petr
The bachelor thesis deals with the design of a fixture for testing material in compres-sion on a universal testing machine. The thesis firstly introduces engineering materials and their key properties, which is closely related to the testing of mechanical proper-ties. Another theoretical part introduces the SHIMADZU AG-50kMX-plus universal testing machine for which the fixture is designed. The modelling of the jig and the creation of drawing documentation was designed in Inventor Professional 2019, which is presented in detail in the theoretical part. After designing, the jig was fabri-cated so that its experimental use could take place. Plastic test samples were tested and printed on the school's Průša MK3S+ 3D printer. The aim of testing them was primarily to determine the functionality of the product.
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Procesy kontroly kvality výroby zemědělské techniky na zpracování půdy
MELKA, František
This research work mainly deals with the methodology of quality control in the production process, which is focused on the production of tillage machines. The scope of work are quality control methods and their practical use in production. The work is focused on smaller production plants from the South Bohemian region, which deal with piece production according to the customer's wishes and test their products.
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Verification of the composition of the concrete durability of cement-concrete covers
Černá, Eva ; Ťažký, Tomáš (referee) ; Hela, Rudolf (advisor)
Alcali – silica reaction often causes destruction of a concrete.constructions. In the theoretical part is described creation and causes of the ASR including assessment of individual components of concrete and their testing. The practical part is devoted to the results of some control tests of the concrete cover in the section 18 of the highway D1 (Měřín - Velké Meziříčí) and section D1-20 (Velké Meziříčí - Lhotka), the mechanical properties of the upper and the lower layer of the concrete cover and measuring the resistance of concrete against chemical deicing agents.
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