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Research in the field of preparation of anhydrite binders
Hanáček, Jan ; Dvořák, Karel (referee) ; Gazdič, Dominik (advisor)
The presented bachelor´s work deals with a research and development of sulphate binders on a base of anhydrite with focus on its potential usage in the industrial production of dry mortar mixtures. Within the scope of this work a mineralogical analysis of two industry gypsum was performed as well as an assessment of technological attributes while hydrating a laboratory burnt anhydrite II.
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Analysis of the flat surface grinding by using standard machines
Hanáček, Jan ; Dvořák, Jaromír (referee) ; Strejček, Jan (advisor)
In the first part of this thesis is discussed of the possibilities of surface grinding. There are described various methods for grinding and describe their characteristics. Furthermore, there is shown the marking of grinding wheels and is discussed of their composition and of calculating the cutting forces. In the second part of this thesis the experiment is performed. On the samples of various materials are monitored parameters of roughness after grinding, which is used by conventional grinding BPH 300 and horizontal lathe from company TDZ Turn.
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Comparison of freeware software for estimation of residual fatigue life of bodies
Hanáček, Jan ; Ševčík, Martin (referee) ; Pokorný, Pavel (advisor)
In the first part of this bachelor's thesis the fundamental laws of linear elastic fracture mechanics are described, especially state of stress in bodies with crack and stress intensity factor. Further, the propagation laws of fatigue crack are described and interaction effects of fatigue crack, especially retardation effects are explained. In the second part of this thesis the software NASGRO and AFGROW are described and compared. In the last part of this work the several examples are carried out to compare residual fatigue life obtained by no retardation approach and approach with consideration of retardation effects.
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Binders and Mixtures Based on Calcium Sulfate
Hanáček, Jan ; Smetanová,, Lenka (referee) ; Gazdič, Dominik (advisor)
This Diploma Thesis deals with the research and advancements in the field of sulphate binders, especially the anhydrite binder. The theoretical part of the thesis is dedicated to the fundamentals of sulphate binders and anhydrite binders. Its second part also introduces standard requirements for screed coatings together with technological methods of their application. Practical part of the thesis looks at the research and production of anhydrite binder with special emphasis on self-levelling compounds. Various types of plasticizers were used in these compounds and their effectiveness and final product quality are compared.
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Analysis of the flat surface grinding by using standard machines
Hanáček, Jan ; Dvořák, Jaromír (referee) ; Strejček, Jan (advisor)
In the first part of this thesis is discussed of the possibilities of surface grinding. There are described various methods for grinding and describe their characteristics. Furthermore, there is shown the marking of grinding wheels and is discussed of their composition and of calculating the cutting forces. In the second part of this thesis the experiment is performed. On the samples of various materials are monitored parameters of roughness after grinding, which is used by conventional grinding BPH 300 and horizontal lathe from company TDZ Turn.
|
|
|
Binders and Mixtures Based on Calcium Sulfate
Hanáček, Jan ; Smetanová,, Lenka (referee) ; Gazdič, Dominik (advisor)
This Diploma Thesis deals with the research and advancements in the field of sulphate binders, especially the anhydrite binder. The theoretical part of the thesis is dedicated to the fundamentals of sulphate binders and anhydrite binders. Its second part also introduces standard requirements for screed coatings together with technological methods of their application. Practical part of the thesis looks at the research and production of anhydrite binder with special emphasis on self-levelling compounds. Various types of plasticizers were used in these compounds and their effectiveness and final product quality are compared.
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|
|
Comparison of freeware software for estimation of residual fatigue life of bodies
Hanáček, Jan ; Ševčík, Martin (referee) ; Pokorný, Pavel (advisor)
In the first part of this bachelor's thesis the fundamental laws of linear elastic fracture mechanics are described, especially state of stress in bodies with crack and stress intensity factor. Further, the propagation laws of fatigue crack are described and interaction effects of fatigue crack, especially retardation effects are explained. In the second part of this thesis the software NASGRO and AFGROW are described and compared. In the last part of this work the several examples are carried out to compare residual fatigue life obtained by no retardation approach and approach with consideration of retardation effects.
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|
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Research in the field of preparation of anhydrite binders
Hanáček, Jan ; Dvořák, Karel (referee) ; Gazdič, Dominik (advisor)
The presented bachelor´s work deals with a research and development of sulphate binders on a base of anhydrite with focus on its potential usage in the industrial production of dry mortar mixtures. Within the scope of this work a mineralogical analysis of two industry gypsum was performed as well as an assessment of technological attributes while hydrating a laboratory burnt anhydrite II.
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