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Effective Machining Of Fiber Reinforced Composite Materials
Sedláček, Jan ; Janáč, Alexander (referee) ; Vrba, Vladimír (referee) ; Klement, Josef (referee) ; Humár, Anton (advisor)
The objectives for this dissertation are to push forward the current state of knowledge in the area of machining fiber-reinforced plastic (FRP). The most common machining operation performed on these materials is drilling owing to the need for component assembly in mechanical pieces and structures. Among the defects caused by drilling, delamination appears as to be of the most critical and may occur at both the entrance and exit plane. A number of theoretical and experimental studies have been made to create an analytical model of delamination in composite laminates. In this dissertation, the critical thrust force (force which initiates the delamination) is predicted using linear elastic fracture mechanics - assuming Mode I. Delamination is investigated by studying the evolution of feed force and torque applied by the tool on the workpiece. A four components piezoelectric dynamometer KISTLER 9272 with special PC-software is used for measuring and evaluating of torque and cutting forces, when drilling two different composite materials: carbon/epoxy laminate fabricated by hand lay-up technique and glass/polyester composite made by pultrusion. Wear mechanisms and location of the wear on the tool are also investigated (with respect to cutting material). The tool wear is measured with help of a common workshop microscope and recorded with scanning electron microscope PHILIPS XL30. Drilling experiments are performed to give complex technical information (i.e. cutting conditions, tool geometry, tool wear and so on) which enables efficient machining of composite materials. Delamination-free drilling is given special emphasis in the experiments. Methods of statistical analysis (DOE) are used to determine which factors have the most influence on delamination.
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Valuation of a flat loaded by easement
Matoušková, Martina ; Lorencová, Marie (referee) ; Sedláček, Jan (advisor)
This assignment concentrates on the problematics of encumbrance. It is about the flat ministry encumbrance in a family house. The job is split into two parts, written and suggested. The written part analyses general notions which are found in the pricing of the property’s belongings. Next, there are stated methods to pricing the property’s belongings. The next chapters are dealing with the legislation of eternal encumbrance, the procedures and the ways of their pricing. The second part, suggested, contains the pricing itself. The property’s belonging is priced in two methods. One of the methods to pricing is value regulations; the second method prices by the regular value. First, the whole family house is priced with all its’ accessories, on the principal of half basis ownership and the given area of the flats, we can consider the value of the priced flat at the same value as half of a family house. Next, the encumbrance itself is priced. The age of the authorised is considered in one group of 30 years and the second group of 80 years. The following step is deducting the value of the eternal encumbrance. From these given final results, we state the chosen price of the flat including taxing purposes. At the conclusion of the done job, evaluation and recommendation is done for pricing similar cases.
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A comparison of normal value of the easement to the prices according to the internal regulations of municipalities
Hladká, Helena ; Cupal, Martin (referee) ; Sedláček, Jan (advisor)
The subject of this thesis is the value of the easement at the usual price and the price determined in accordance with the internal regulations of municipalities. The theoretical part is focused on general analysis of the easements, their legislation and the most important changes in the legislation, the difference between servitudes and real loads, the cause of its constitution, modification and terminativ. It also describes the methodology of valuation of easements, the distinction between price and value of their species, determining the annual benefit or detriment of the easement and the definition of the methods used for the valuation of easements. In the practical part of these findings are applied to specific value encumbrances arising in connection with the engineering lines.
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Determining the value of rights-of-way
Valentová, Renata ; Hlavinková, Vítězslava (referee) ; Sedláček, Jan (advisor)
The subject of this thesis is to determine the value of the easement of way over the land of another owner. The value of the easement will be established for an indefinite period, the duration of 20 years and for the life of the creditor. It will be calculated current price and official price. The theoretical part is concentrated on clarifying the concept of an easement, the possibility of the constitution, termination and changes, hereinafter referred to problems of valuation of the easement. In the project part is solved the specific passage in terms of benefits warrantee and losses liable party.
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Legislation and Valuation of Easements
Adámek, Tomáš ; Šmahel, Milan (referee) ; Sedláček, Jan (advisor)
My diploma thesis deals with the problems of easements put on buildings in the Czech Republic. The whole work is divided into the text part and the draft part. In the text part there are the common concepts going together with valuation in general, methods of the valuation. Next, there is a legislation of easements, methods and processes of easements and getting the value. Based on the knowledge gained in the text part, in the introduction of the draft part there is a valuation of the family house, including the whole equipment. On this family house there are three easements, including the easement of the free accommodation in one part of this house, the easement of the limitation of the construction activities, easement of the location of the mail box on the family house. The house and easements are valuated either for the taxes or for selling the building. At the end there is the final value of the building with easements, conclusion and recommendation for similar cases.
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Value Determination of Properties Burdened with Easements
Fojtík, Zdeněk ; Cupal, Martin (referee) ; Sedláček, Jan (advisor)
The thesis deals with the determination of real estate value easements established in favour of constructions transport infrastructure. The aim is determination of real estate value in an current price and official price. In connection with the established easement it is substantiate the devaluation of the real estate related with the occurrence of the easement. In the first part the thesis I deal with the forensic engineering, real estate market, easements and with their valuation. In the project part there is concretely solved valuation of real estate loaded with the easement.
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Methodology of the Assessment of the Value of the Right in Personam for the Remaining Life of a Specific Person
Šebeňová, Ľudmila ; Cupal, Martin (referee) ; Sedláček, Jan (advisor)
The thesis discusses the task of easements appraisement in detail. The theoretical part is aimed to general analysis of easements; kinds of easements, possible ways of their formation and termination are stressed. Separate part deals with delimitation of basic terms associated with appraicement of real estate, basic techniques of appraicement of easements from the point of view of appraicement purpose and the kind of easement. Consecutively the theoretical part is applied to appraicement of easement for cost free using of family house and garden, easement for participating on crop from garden and appraicement of easement for domestic animals breeding for tax purposes so as contractual purposes for the lifetime of the eligible person.
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