National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Influence of variations in cement composition on bleeding and mortar workability over time
Peřina, Tomáš ; Klečka,, Tomáš (referee) ; Hela, Rudolf (advisor)
This diploma thesis is divided into two parts, the theoretical and practical part. The theoretical part is to study of factors influencing the workability and bleeding of concrete. There is mentioned the production of cement and standard requirement. The task of the practical part is to assess the cements produced by the cement works Hranice and Prachovice. These cements test in terms of water separation. In combination with these cements use superplasticizing admixtures from Mapei and Stachema and determine the impact of water separation on cement pastes. Determine rheology on the cement pastes. Define influence of variations in cement composition affect the stability of cement mixtures.
Influence of variations in cement composition on bleeding and mortar workability over time
Peřina, Tomáš ; Klečka,, Tomáš (referee) ; Hela, Rudolf (advisor)
This diploma thesis is divided into two parts, the theoretical and practical part. The theoretical part is to study of factors influencing the workability and bleeding of concrete. There is mentioned the production of cement and standard requirement. The task of the practical part is to assess the cements produced by the cement works Hranice and Prachovice. These cements test in terms of water separation. In combination with these cements use superplasticizing admixtures from Mapei and Stachema and determine the impact of water separation on cement pastes. Determine rheology on the cement pastes. Define influence of variations in cement composition affect the stability of cement mixtures.

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