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Financing Options for Housing in the Czech Republic
Poul, Michal ; Vojtěch, Dušan (referee) ; Hanák, Tomáš (advisor)
This diploma thesis „Financing options for housing in the Czech Republic“ is focused on the issues connected with financing one´s own housing. The goal of this work is mainly to introduce the issues and possibilities of financing housing of the citizens of the Czech Republic, analyze products that could be used while financing housing and compare the costs of financing housing, while using different bank products. In the theoretical part of the work, we obtain knowledge intentions and developments of housing policy in the Czech Republic; we clearly introduce with the products that are helpful while financing housing and their combinations. Insurance products are also mentioned in the thesis. Those products can protect citizens against unwanted influences during the period when they pay off their loans. We can also find here the recent development of loan products and bank market in the Czech Republic, its current offers and overview of its products, from which citizens can choose the most suitable one for their needs. Practical part of the thesis deals with the comparison and research in the least costly way of financing housing in three different time horizons with the help of one product or a combination of products.
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Preparation and Characterization of Porous Magnesium Based Materials
Březina, Matěj ; Pacal, Bohumil (referee) ; Vojtěch, Dalibor (referee) ; Ptáček, Petr (advisor)
Bulk magnesium materials produced nowadays via powder metallurgy are based on a vastly extensive technological spectrum, which makes it possible to create a wide range of materials. This work focuses on the preparation of bulk materials from magnesium powder by cold pressing and hot pressing, sintering and field assisted sintering. The bulk materials were prepared in a series of compacting pressures from 100 MPa to 500 MPa and the sintering temperatures were selected in the range of 300 ° C to 600 ° C in order to characterize the influence of the manufacturing conditions and technology on the final properties of bulk materials. Prepared materials were evaluated in terms of microstructure, hardness, microhardness, three-point bend test, and fractography. From the hot pressed materials, the samples prepared at 400 and 500 MPa and 400 °C had the highest strength and hardness. The classic sintering of magnesium in the furnace with argon atmosphere proved to be ineffective due to the oxide layer on the surface and the presence of oxygen in technical argon. The SPS sintering (Spark Plasma Sintering) was the more effective with the lower applying pressure used to make the preforms and with the higher applied pressure during the SPS process itself. Highest strength and hardness were achieved in this case of materials sintered at 600 ° C prepared from free powder and the most porous preform (100 MPa). The bulk materials were prepared using all methods used, but the properties of these materials varied considerably depending on the technology used.
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The use of electronic reverse auctions in the construction industry in Slovakia
Chadima, Tomáš ; Vojtěch, Dušan (referee) ; Hanák, Tomáš (advisor)
This thesis is focused on analysis of the use of electronic reverse auctions in the construction industry in Slovakia. The theoretical part provides the basic concepts, types and participants of electronic auctions. There are also analysed in detail the electronic reverse auctions as an important tool for procurement processes in the construction industry. The practical part deals with the analysis and subsequent recommendation for the construction sector - through a questionnaire survey.
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Insurance of Individual Construction of Family House
Holan, Michal ; Vojtěch, Dušan (referee) ; Hanák, Tomáš (advisor)
The aim of this thesis is to analyze the possibility of arranging insurance house under construction in a variety of insurance companies. Unexpected risks that may occur, often causing major economic problems. If a legal or natural person out appropriate insurance will help him overcome the financial consequences of loss of insurance coverage.
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Comparison of Costs for Construction of Family House Realized by Self-Help and by Contractor
Maršálek, Emil ; Vojtěch, Dušan (referee) ; Hanák, Tomáš (advisor)
In my graduation theses I am dealing with comparing the final price of a construction,if the construction is beeing realized as house raising or a supply.In the theoretic part of my theses we are going to acquaint with the prices in the building industry since the year 1990 until present,with the price development,the price order and the price system in the Czech Republic.Let us talk about what are the information resources to determine the price of a construction.We will demonstrate the way of making up the price of the project during its life cycle step by step.In the practical part of my theses I do the price analysis of a building carried out as house raising or a supply.First I describe the way of making both prices.Then the prices are compared among each other.At the conclusion the lowest price of the building is chosen according to the way of its construction and also my recommendation which construction form is the most conveniant for the promoter.
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Energy Consumption Reduction of Panel Buildings
Pozděnová, Barbora ; Vojtěch, Dušan (referee) ; Hanák, Tomáš (advisor)
The aim of the Thesis is to describe the current trends in reducing energy use of blocks of flats and to analyse the costs and profits of these projects using a certain example.The theoretical part describes the history of construction, the characteristic of the panel houses including some common faults, and the provided grants for their reconstruction. The practical part deals with the assessment of three existing panel houses, which were insulated in different time periods, with various strategies and under different financial conditions.
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Fatigue behaviour of AZ31 and AZ61 magnesium alloys after corrosion degradation
Horynová, Miroslava ; Vojtěch, Dalibor (referee) ; Obrtlík, Karel (referee) ; Podrábský, Tomáš (advisor)
Dissertation thesis is focused on evaluation of influence of exposure in 5% salt fog on fatigue behavior of AZ31 and AZ61 magnesium alloy fabricated by squeeze casting method. Microstructure and mechanical properties of experimental materials have been evaluated. The AZ61 alloy was solution heat treated after prior optimization of the heat treatment process based on microstructural characteristics and mechanical properties. Depths of corrosion damage, corrosion rate and mechanism of corrosion of all three experimental alloys have been evaluated. Influence of prior corrosion exposure for 480 and 1000 hours on fatigue behavior of experimental materials was evaluated. Obtained data were compared with data obtained using smooth test specimens. Fractographic analysis was carried out on both smooth and precorroded specimens. Furthermore, influence of aluminium on corrosion and fatigue behavior of tested alloys was defined.
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Overhead costs in the construction company
Studený, Jaromír ; Vojtěch, Dušan (referee) ; Hanák, Tomáš (advisor)
This Bachelor thesis summarizes overhead expenses in a construction company. The theoretical part is focused on general explanation of costs, cost management and overhead expenses in a construction company. The practical part concentrates on the analysis and evaluation of the data from the questionnaire survey, which was performed to analyze the methods of overhead expenses management in czech construction companies.
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Multi-element Systems of Biomaterials Based on Magnesium and Zinc
Hasoňová, Michaela ; Nový, František (referee) ; Vojtěch, Dalibor (referee) ; Doležal, Pavel (advisor)
Dissertation thesis deals with basic research in the field of materials from pure Zn powders and Mg, Zn, and Ca binary mixtures prepared by powder metallurgy. General powder metallurgy principles and methods, a brief description of Mg, Zn, and Ca structure and properties, and the latest research in the field of bulk materials preparation from these elements via powder metallurgy are summarized in the theoretical part of the thesis. The experimental part focuses on the preparation of materials from finer and coarser Zn powder particles by hot pressing at 300 and 400 °C using the pressure of 100, 200, 300, 400, and 500 MPa. Binary mixtures based on Mg with the addition of Zn or Ca were prepared by hot pressing in the solid-state (300 °C) and hot pressing in the semi-solid state (400 °C, 450 °C in the case of Mg-Ca system) using the pressure of 500 MPa. Binary mixtures based on Zn with the addition of Mg or Ca were prepared by hot pressing in the semi-solid state (400 °C) using the pressure of 500 MPa. The prepared materials were evaluated in terms of microstructure, elemental and phase composition, microhardness, flexural strength, and fractography. The results showed that in the case of processed from pure Zn powders, a better combination of the flexural strength and displacement was achieved in the case of the finer Zn powder, namely in the material prepared at a temperature of 400 °C and a pressure of 500 MPa. In the case of mixtures, the best connection between the powder particles was achieved in the case of a material based on finer Zn powder with 0.5 wt.% of Mg, which had a significant effect on the achieved values of flexural strength and displacement. The amount of minor powder in the mixture had a significant effect on the prepared material structure and phase composition, while the processing conditions influenced the reached strength characteristics and fracture mechanism.
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