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Study of the development, trends and innovations in shotcrete technology
Záruba, Jiří ; Hela, Vlastimil (referee) ; Hubáček, Adam (advisor)
The Bachelor thesis is focused on the study of development, trends and innovations in shotcrete technology. The main target of this thesis is to summarize new procedures in shotcrete technology. Secondary targets include a description of basic properties of sprayed concrete, introducing new trends and technology in recent years. The next sub-goal is to propose experiment that will try new ways of testing shotcrete. Based on these secondary targets is possible to evaluate the current situation in shotcrete technology and fulfil the main objective of this thesis.
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Possibilities of using different types of admixtures in shotcrete technology
Berčík, Martin ; Brožovský, Jiří (referee) ; Hubáček, Adam (advisor)
The Bachelor’s thesis is conceived in the form of research findings on current knowledge of inert and active ingredients and their effects on the shotcrete. It focuses mainly on the composition of individual ingredients, their function executing in the concrete mix and explains how they affect the selected physical and mechanical properties. The work enlightes the importance of using co-products from the industry production as an additive to concrete in terms of both ecological and partly economical.
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Possibility of determination of rheological properties of fresh concrete by penetration needle
Driml, Martin ; Sedlmajer,, Martin (referee) ; Zach, Jiří (advisor)
This thesis focuses on the method of determining the rheological properties of fresh concrete with a penetration needle. An assessment conducted in this thesis aims at current methods of determining the rheological properties of fresh concrete in terms of theapplicable technical standards. These methods are compared with the needle penetration method. This method is characterized with it's simplicity and low requirements for measurement rechniques. Therefore it can be used directly on site without any problems.
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Possibilities of using different types of admixtures in shotcrete technology
Berčík, Martin ; Brožovský, Jiří (referee) ; Hubáček, Adam (advisor)
The Bachelor’s thesis is conceived in the form of research findings on current knowledge of inert and active ingredients and their effects on the shotcrete. It focuses mainly on the composition of individual ingredients, their function executing in the concrete mix and explains how they affect the selected physical and mechanical properties. The work enlightes the importance of using co-products from the industry production as an additive to concrete in terms of both ecological and partly economical.
|
|
|
Study of the development, trends and innovations in shotcrete technology
Záruba, Jiří ; Hela, Vlastimil (referee) ; Hubáček, Adam (advisor)
The Bachelor thesis is focused on the study of development, trends and innovations in shotcrete technology. The main target of this thesis is to summarize new procedures in shotcrete technology. Secondary targets include a description of basic properties of sprayed concrete, introducing new trends and technology in recent years. The next sub-goal is to propose experiment that will try new ways of testing shotcrete. Based on these secondary targets is possible to evaluate the current situation in shotcrete technology and fulfil the main objective of this thesis.
|
|
|
Possibility of determination of rheological properties of fresh concrete by penetration needle
Driml, Martin ; Sedlmajer,, Martin (referee) ; Zach, Jiří (advisor)
This thesis focuses on the method of determining the rheological properties of fresh concrete with a penetration needle. An assessment conducted in this thesis aims at current methods of determining the rheological properties of fresh concrete in terms of theapplicable technical standards. These methods are compared with the needle penetration method. This method is characterized with it's simplicity and low requirements for measurement rechniques. Therefore it can be used directly on site without any problems.
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