National Repository of Grey Literature 13 records found  previous11 - 13  jump to record: Search took 0.00 seconds. 
Determination of frost resistance of brick bodies
Keršner, Štěpán ; Skotal, Zbyněk (referee) ; Sokolář, Radomír (advisor)
This thesis focuses on the summarization and description of contemporary frost resistance of brick bodies testing methods and methodology of assessing objectively the destruction of brick bodies during freeze-thaw cycles, using ultrasound.
Utilization of Waste Aggregate as grogs in the roofing tiles brick body
Vondříčková, Veronika ; Skotal, Zbyněk (referee) ; Sokolář, Radomír (advisor)
Goal of this work is to judge the effect of different amount of waste aggregate in particular material mixture for production of clay roof tile according to norm ČSN EN 1304 (TONDACH Česká republika s r.o. – cihelna Šlapanice). This document is putting together published experience with usage of waste aggregate in the brickworks business. The effect of different mixture amount was tested in laboratories. Tests were most importantly aimed at temperature stress during burn, vacuum absorption method and mass by volume.
Utilization of clays with low sintering temperature in brick technology
Sláma, Jakub ; Skotal, Zbyněk (referee) ; Sokolář, Radomír (advisor)
Bachelor thesis focuses on the use of the low sintering clays as additives in brickmaking. Their main use in the brick industry is mainly in the production of facing bricks and roof tiles. They are used for their very good sintering ability even at relatively lower firing temperatures. This feature is the most important for frost resistence of brick fragment. The theoretical part contains a summary and characteristic features of clays occurring in the Czech Republic and abroad. Further their requirements and laboratory testing of brick clay. In the practical part was conducted market research where are outlined available low sintering clays that may be proposed for use in brick fragment based on declared sintering. An experiment was performed in the next part of bachelor thesis to assess the effect of using low sintering clay in terms of particular brick factory in the Czech Republic (Tondach Šlapanice).

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