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Design of underground garage under the block of flats
Císařová, Kateřina ; Hrubý, Tomáš (referee) ; Klusáček, Ladislav (advisor)
As the main topic this thesis describes the design and evaluation of selected reinforced concrete members of the underground garage construction of the administration building at ultimate limit state and also at serviceability limit state, both in accordance with EC2: Design of Concrete Structures. Designed members in particular are monolithic slab, girders and columns. Structural design and evaluation of other structures of the building are not part of this thesis. The text part of the thesis concerns the descriptions of analysed structures and also the descriptions of the loads acting on them. Method of designing of the structures, methods of calculating of inner forces, and also the method of modelling the structure in software SCIA Engineer are herein further described. The annexes are mainly structural analysis, which expresses the knowledge obtained from the theoretical part of this thesis, and the drawing documentation.
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Manufacturing concept of a composite swing arm
Gregor, Lukáš ; Slaný, Martin (referee) ; Zouhar, Jan (advisor)
The subject of this master’s thesis is manufacturing design and production of CFRP swingarm prototype for off-road motorcycle. Theoretical part describes conventional types of swingarm, provides basic introduction to composites and manufacturing technologies. Practical part describes production steps, assembly jigs and assembly process. The last part of thesis deals with measuring stiffness properties using photogrammetry system TRITOP.
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Formula Student Steering System Design
Pospíšil, Jaromír ; Blaťák, Ondřej (referee) ; Ramík, Pavel (advisor)
This thesis describes the steering system parts, the most common used parts and rates their advantages and disadvantages. These findings are then transferred into the Formula Student steering system design. The thesis also presents procedures leading to determine load of steering system, which is taken into account in steering system design. The final version of steering system is analyzed of stiffness.
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Influence of changed shape and dimensions of a helical spring on its compression characteristic
Melichar, Marek ; Majer, Zdeněk (referee) ; Burša, Jiří (advisor)
The bachelor thesis deals with a change of a shape of a spring in order to facilitate its assembly in a gas boiler controller assembly. The introductory part deals with familiarization with the given issue. Then, based on the algorithm created in the bachelor thesis "Assessment of characteristic of a helical conus-shaped spring under compression" of Libor Loveček, the calculation program is adapted for calculating the existing conical spring and is further modified for other spring shapes. Accuracy of the created algorithms is verified by comparing the results with commercial computing programs. Based on the calculations, new shapes are designed, manufactured and experimentally tested. At the end of the thesis the possibility of usage of created alternative shapes is evaluated.
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Use of polymers in road constructions
Klusková, Jana ; Komenda, Radek (referee) ; Stehlík, Dušan (advisor)
The diploma thesis deals with the use of recycled polymers in asphalt mixtures. In the theoretical part of the thesis there is discussed the global issue of plastic waste including the experience of foreign countries, where this technology has already been introducted and used. The practical part is devoted to the proposal of using recycled plastic in asphalt mixture, description of used laboratory tests and the evaluating the effect of low-density polyethylen (LDPE) on the asphalt mixture type AC. There were performed tensile strenght tests, water resistant tests and stiffness modulus tests in the laboratory (E). The output of this work is an evaluation of measured values, processing of results and their interpretation depending on the possible use of this technology in Czech republic.
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The analysis of track response to railway vehicles
Kopeček, Josef ; Plášek, Otto (referee) ; Salajka, Vlastislav (advisor)
The diploma thesis deals with the assembly of numerical models of classical track using the finite element method in several variants. Models are compared with results obtained on analytical models. More complex models simulate the real behavior of a track running on a railway vehicle. The purpose is created methodology of modeling the railway track for use in static and dynamic analysis.
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Determination of Dependencies for Evaluation of Stiffness Measurements of Rubber Bearings
Beseda, Vojtěch ; Kubík, Roman (referee) ; Kalivoda, Milan (advisor)
The thesis deals with analysis of rigidity of rubber joint measurements. Characteristic, usage and behaviour of a rubber is described in the first part of the work. The following chapter describes problems and analyse production technology of the given component. The work continues by a preparation of several tests established based on information provided in the first chapter and from requirements of company. At the end, correlations and recommendations for appropriate measurement are concluded based on acquired data. The thesis is closed by a technological and economical evaluation which presents required cost for preparation, realization and analysis of tests.
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Design of vehicle suspension stabilizer
Krasula, Jan ; Blaťák, Ondřej (referee) ; Porteš, Petr (advisor)
This master’s thesis is focused on a design of the formula student’s anti-roll bar. The beginning of the thesis is devoted to the introduction of the anti-roll bar function and the explanation of its effect on a vehicle including the analysis of various constructions. Second part deals with the Formula Student competition. There is the analysis of the formula Ford’s anti-roll bar as a starting point for our own design. In the section which deals with the anti-roll bar design several alternatives are designed, the stress analysis of components are made and multi body system models are developed for final solutions. These models serve for further analyses of driving characteristics of the vehicle.
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Experimental Verification of Optimal Shape of Beam
Uríček, Matúš ; Keršner, Zbyněk (referee) ; Frantík, Petr (advisor)
The thesis deals with design of beams of optimized shapes, which are than manufactured by 3D printer and their features are experimentally verified. When the limit strength of a given component is reached, ways of fracture development are observed. Information obtained from the experiments are then compared with assumptions generated by numerical methods.
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