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Kritéria pro výběr, přípravu a opracování náhradního kamene určeného pro opravy kvádrového zdiva - sedimentární horniny
Bláha, Jiří ; Buzek, Jaroslav ; Cihla, Michal ; Hejný, Lukáš ; Chamra, Svatoslav ; Kovářová, Kateřina ; Panáček, Michal ; Rafl, Tomáš ; Rybařík, Václav ; Schröfel, Jan
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Criteria for selecting, preparation and processing of a replacement stone for ashlar masonry restoration – sedimentary rocks
Bláha, Jiří ; Kovářová, K. ; Buzek, Jaroslav ; Panáček, M. ; Cihla, M. ; Rafl, T. ; Hejný, L. ; Rybařík, V. ; Chamra, S. ; Schröfel, J.
Geologists, structural engineers, construction historians, conservationists and restorers formulated their views on the relevant intensity of interventions, the replacement stone quality and also the parameters of processing by craftsmen. Methodical guidelines define the necessary level of adequate historical, technological and structural surveys and, subsequently, propose an optimal procedure for laboratory tests and for the following repair processes of a particular structure.
Fulltext: content.csg - PDF
Plný tet: 0453121_2016_Blaha_et_al_Kriteria_pro_vyber_pripravu_a_opracovani_nahradniho_kamene_urceneho_pro_opravy_kvadroveho_zdiva_CM_NAKI20-OKZ - PDF
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Business conditions on the market of services in the EU
Ĺupták, Robert ; Němec, Otakar (advisor) ; Vojík, Vladimír (referee)
This dissertation describes the fundamentals of functioning of the service provision within the Community and functioning of these mechanisms in the chosen EU countries (Belgium, Estonia, Germany, Austria, Great Britain) and in the chosen fields (building, telecommunications, IT, consultancy services, tourism, repairing and maintenance services, financial services and others). The work is divided into two parts. The first one (the chapters 1- 4) deals with the fundamental principles of the service provision within the Community -- free movement of goods, persons, capital and services, freedom of cross-border delivery of services and its temporary criteria, specific requirements of some countries -- interim periods for free movement of persons and services, self-employed persons, recognition of professional qualifications, social and health insurance and taxes, solving problems of the internal market within the Community in the system of SOLVIT, Czech Business Representation in Brussels CEBRE. In the second part (chapter 5) are applied the principles of functioning of these mechanisms on the internal market in the chosen countries of the Community. The work serves as information material, data collector and practice advisor in one place giving useful sources where to find detailed information on these problems.
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A comparative study of ultimate load and stiffness of metal-to-composite joints
Tchír, Michal ; Šebek, František (referee) ; Vrbka, Jan (advisor)
V současnosti jedna z metod spojování zejména tlustých a vysoce zatížených kompozitních komponent je šroubový spoj, který je možné rozebrat pro případ opravy na rozdíl od lepeného spoje. Kompozitní konstrukce se tradičně dimenzují tak, aby během provozu nedošlo k porušení první vrstvy laminátu, nicméně důležité je taky poznat chování laminátu po porušení první vrstvy. Pro strukturální analýzu nejenom spojů, ale také dalších komponent se používá metoda konečných prvků a protože moderní nelineání řešiče jsou schopné modelovat chování laminátu po porušení první vrstvy, tato schopnost jednoho z nich byla využita v této práci při zkoumaní chování sklolaminátu spojeného s hliníkovou částí šrouby. Konečno-prvkové modely dvou spojů kovové a kompozitní části konstrukce schopné popsat progresivní porušování laminátu byly postaveny s využitím tří různých poruchových kritérií – kritéria maximálního napětí, kritéria Hill a kritéria Tsai-Wu. Problém byl řešen s využitím řešiče Nastran. Křivky síla-posuv, tuhost-posuv a hodnoty zatížení při hraničním posuvu byly porov-nány s výsledky experimentů. Jelikož faktor zbytkové tuhosti ovlivňuje výsledky ana-lýzy progresivního porušování, byly provedeny citlivostní studie zkoumajíci vliv faktoru na přesnost a stabilitu výpočtu. Shoda výpočtu s experimentem v případe prvního šroubového spoje je méně uspokojivá, nicméně shoda v případě druhého spoje, který má zesilující tenkou ocelovou destičku na spodní straně, je podstatně lepší. Vý-borná shoda je zejména při použití interaktivních kritérií Hill a Tsai-Wu.
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Repair of the parapet walk with battlements made from sandstone ashlar masonry with the regard to its visual authenticity and historic values – implemented sample procedure
Bláha, Jiří ; Kovářová, K. ; Buzek, Jaroslav ; Panáček, M. ; Cihla, M. ; Rafl, T. ; Hejný, L. ; Rybařík, V. ; Chamra, S. ; Schröfel, J.
The multidisciplinary criteria for selecting, preparation and processing of a replacement stone for ashlar masonry were implemented in restoration and conservation of the Castle of Kost battlements – one of the most authentically survived medieval fortification monuments in the Czech Republic. Detailed description of undertaken surveys, preparation and interventions carried out within the repair process.
Fulltext: content.csg - PDF
Plný tet: 0453124_2016_Blaha_et_al_Setrna_obnova_stredovekeho_hradebniho_zdiva_z_opracovanych_piskovcovych_kvadru_PP_NAKI20-OPK - PDF
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Elektronická struktura materiálů na bázi grafenu
Nádvorník, Lukáš ; Orlita, Milan (advisor) ; Němec, Hynek (referee)
In last two years, the proposal to create artificial graphene in standard semiconducting 2D systems via surface patterning has emerged. This way, an alternative system would be created, allowing us to study phenomena related to Dirac-type particles in a fully carbon free system. The main idea of the concept assumes the creation of an additional potential in a quantum well by nanopatterning of the specimen surface or by using local electrodes. The additionally introduced modulation can transform the conventional (i.e. parabolic) energy dispersion into separated minibands with possible appearance of Dirac cones. In the theoretical part, we introduce four basic criteria that estimate appropriate technological parameters and the required experimental conditions. Experimentally, we study the cyclotron resonance of prepared heterostructures AlGaAs/GaAs with induced hexagonal potential via the etching lateral holes. The observed multi-mode resonance response is discussed with respect to the expected appearance of Dirac cones.
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Analasis of implementation of Customer-Self Repair project in Hewlett-Packard
Klement, Petr ; Hrůzová, Helena (advisor) ; Nešpor, Pavel (referee)
The aim of this diploma paper is to analyze the Customer Self-Repair project in Hewlett-Packard especially from costs and savings point of view that can be expected after the implementation of procedural changes that had to be made in the course of the project, while also indicate where mistakes were made from the perspective of project management and make suggestions on possible improvements in the future. The theoretical and methodological part is summed up a general theory concerning the problems of project management. The third chapter focuses on the practices of project management in the company, the definition stage the project should undergo and the criteria that should meet in order to pass the approval process. In the analysis of the project itself is captured the service model for the repairs of personal computers in the Europe, Middle East and Africa region. Than identification of error and procedural complications that occurred during the project. . At the end of this chapter is an analysis of actual savings and costs that can be realistically expected in the closing phase of the project. The last chapter contains a summary and suggestions for management of future projects in the company.
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The question of Turkish accession to the European Union
Hartová, Michala ; Urban, Luděk (advisor) ; Marková, Jana (referee)
The diploma thesis deals with Turkish enlargement from three basic aspects. Firstly, Turkish enlargement is deeply compared to the last enlargement of the ten new member states which took place in May 2004. Main differences which are likely to have large consequences for both Turkey and the European Union are described in this part of the paper. Political aspects of the Turkish enlargement are the second viewpoint of the thesis. These are mainly Copenhagen political criteria and the most important political fields, which might eventually complicate Turkish membership in the European Union. Last aspect of the Turkish enlargement question is economic development and Copenhagen economic criteria. First part of this particular chapter briefly describes economic development of the Turkish economy during the last decade and main economic problems are mentioned as well. Customs union of Turkey and the European Union is deeply analysed in the subsequent part, mainly because of its importance to the current state of relationship between Turkey and EU. Last part of this chapter deals with regional disparities within Turkey and potential consequences for the European regional policy. The aim of this thesis is to assess preparedness of Turkey to enter the European Union and to identify the most critical aspects of...
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