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Static provision of baroque church
Kadlec, Jaroslav ; Šiška, Radek (referee) ; Strnad, Jiří (advisor)
The master´s thesis solves a static provision of the Baroque church of Saint James in Městečko Trnávka. The church was built in 1752 in Baroque style on the place of the original Romanesque church. It is a single-nave building with dimensions of about 46 × 20 m. The nave is followed by a massive square tower with a height of about 34 m. The reason for the restoration of the church are cracks in the external masonry and arch due to small space stiffness. The building will be reinforced by horizontal and transverse prestressing. They are designed prestressing tendons, called monostrands, using method of alternative cable channels. It will help to avoid other derformations and it will increase a stiffness of the structure.
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Reconstruction of barn as a part of Miroslavské Knínice castle
Martínek, David ; Bažant, Zdeněk (referee) ; Strnad, Jiří (advisor)
The bachelor thesis deals with the reconstruction of a barn in Miroslavské Knínice. First, it was necessary to examine the conditions of the barn. Crumbling masonry and cracks in perimeter walls had been found, so it was necessary to create a design and assess new solutions to repair the barn. On the basis of these defects, it was proposed to pull down a half of the barn, including the foundations and proposed to lay concrete over this part of formwork together with reinforcement.
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Evaluation of an inspection program and overhauls for ZLIN 26 aircraft
Jančář, Milan ; Finda, Jindřich (referee) ; Augustin, Petr (advisor)
This bachelor´s thesis deals with ZLIN Z 26 Series Aircraft maintenance and repairs procedures. Even the name shows, that this theme is very demanding and extensive. My interest was to explain some maintenance procedures of these aircraft and offer changes of it. In the beginning of this thesis we can briefly learn history of the ZLIN Aircraft and particular Z 226 Series models. There are mentioned difference maintenance procedures, applicable on the planes thru the service life time. Inspection and overhaul procedures are described in details and for better understanding were attached drawings or photos. Following chapter deals with evaluation existing inspections and overhauls - maintenance – procedures. Optimization of the maintenance is part of the chapter fourth, where is described possible innovation of the maintenance check list. In the last, fifth chapter, of this thesis are mentioned possibilities of the ZLIN Aircraft life time prolongation, which is actually discussed because of some aircraft of this type series reached basic life time limit, without any serious fatigue airframe damages appears.
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Structural assessment of the reinforced concrete chimney
Teplý, Jakub ; Hasala, Ivo (referee) ; Girgle, František (advisor)
The aim of this thesis is assessment of existing condition reinforced concrete factory chimney, who has undergone structural and technical survey, under which was found many failures caused of horizontally tension - significant vertical cracks in the chimney stack. The object of this work will also make appropriate proposals rehabilitation of concrete stack by design prestressed cables monostrand in horizontal direction, grouting open cracks and reprofiling surface of chimney stack.
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Sewage pumping station
Kustyánová, Orsolya ; Šulák, Pavel (referee) ; Strnad, Jiří (advisor)
This thesis deals with the design and assessment of all supporting parts of a reinforced concrete sewage pumping station in the village Vrbice u Velkých Pavlovic. The main parts of the thesis are the technical report, static analysis, drawing documentations and visualisations. Calculation of internal forces was performed by the software Scia Engineer and verified by manual calculation. The drawing documentation consists of shape and reinforcement drawings of supporting parts.
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Using Salome Meca computing environment to solve problems of solid mechanics
Ptáček, Tomáš ; Vaculka, Miroslav (referee) ; Vosynek, Petr (advisor)
Given bachelors thesis deals with solutions of basic tasks of body mechanics with usage of the finite element method (FEM). An open-source software Salome Meca with Code_Aster solver is used there. Basic formulas of strength of materials on which is FEM based are introduces in the beginning. Then is presented software Salome Meca with its solver Code_Aster. Followed by own solution of tasks, which contain structural analysis and series of examples for solving the fracture mechanics. Numerical solutions from Salome Meca are compared with analytical solutions, if some exist, and with solutions from commercial software Ansys Workbench.
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REINFORCED CONCRETE TANK
Beran, Jakub ; Jeneš, Rostislav (referee) ; Šulák, Pavel (advisor)
The aim of the bachelor thesis is a static design of an reinforcement tank. The internal forces are calculated by FEM programme Scia Engineer 16.1 with a SOILIN modul interacting with a subsoil model. The internal forces are verified by a manual calculation. The load-bearing elements are designed with these forces. The structural assessment report is designed to ultimate limit state and service limite state – service limit state of crack. Another report considers ground water occurring. The static report deals with different time of concreting foundation slab and walls. This is the reason why shrinkage is very important for internal forces and their values. The objective of the project is to design the tank without cracks in concrete. The limit width of cracks is wk= 0,3 mm by EC 1992-1-1.
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Design of the concrete sewage plant
Štramberský, Martin ; Strnad,, Jiří (referee) ; Zich, Miloš (advisor)
The subject of my bachelor's thesis is a static design of a sewage plant reservoir, dimensioning and examination of the construction part for Capacity Limit State and Applicability Limit State. Design documentation is included in the project. The aim of this thesis was to design the reservoir in such a way that there would be no cracks in the concrete. The calculations were carried out in accordance with Eurocode 2.
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Analysis of fracture of quasibrittle materials using numerical modelling and acoustic/electromagnetic emission
Vodák, Ondřej ; Vořechovský, Miroslav (referee) ; Veselý, Václav (advisor)
This master thesis gives overview of non-destructive tests of concrete and provides detailed information concerning the acoustic and electromagnetic emission during monitoring of concrete failure. Conducted loading tests of plain concrete specimens are described in the thesis together with the performed numerical simulations of these tests in the software ATENA. The simulation results of concrete failure are analysed in detail and compared with the experimental results recording failure processes with the help of acoustic and electromagnetic emission. The majority of simulation results in software ATENA 3D show good agreement with the recorded data.
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