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Industrial hall
Forman, Radek ; Buchta, Stanislav (referee) ; Bajer, Miroslav (advisor)
Two-bay hall for warehouse and manufacturing purposes with supporting steel structure and thermally insulating sheating with width of 36 metres and lenght of 72 metres. The hall incorporates two overhead cranes with maximum load of 32 and 40 tonnes. The main supporting structure is a system of plate girders and beams. The beams are connected with hinges and are placed with intervals of 6 metres. The hall design is intended for 1st snowing area
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Outdoor crane runway
Klíč, Radim ; Balázs, Ivan (referee) ; Pešek, Ondřej (advisor)
The aim of my bachelor´s thesis is a design and an assessment of a steel construction of an outdoor crane runway. The crane runway is used for operations of two bridge cranes. Each bridge crane has 40 tons of lifting capacity. The construction of the crane runway is located in a site of a factory for prefabricated concrete elements. The length of the track is 100 meters and the span of the crane bridge is 25 meters. The upper surface of cantilever is 10 meters above ground. A central beam of the crane runway consists of an uniaxially symmetrical welded I profile which is made from steel of the grade S355. Every single bar of a horizontal bracing beam is made from steel of the grade S235. Columns are designed as solid-web welded I profiles and they are made from steel of the grade S235. These columns are transversely fixed. Spatial rigidity in the longitudinal direction of the construction is provided by braking bracings. These bracings are designed as simple cross layout.
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Prestressed box girder bridge
Štíchová, Kateřina ; Štefan, Petr (referee) ; Koláček, Jan (advisor)
The subject of this diploma thesis is the design of a load–bearing structure, whitch is situated in the extravillain between the town of Chomutov and the village Křimov. Main purpose of this structure is to pass a roadway I/7 across the valley. There are three options of design and one of them – the prestressed box girder bridge with slanted walls is chosen for more detailed elaboration. The major load–bearing structure is five–span with lenghts 46.50 + 58.00 + 58.00 + 58.00 + 46.50 m, made of post–tensioned nad cast–in–place concrete. The total lenght of load–bearing structure is 269.00 m and the width of load–bearing structure is 13.50 m, the bridge is straight in plan. The structure is analyzed by several computational models, which are designed in Scia Engineer 20.0 software. The structure is analysed in longitudinal and cross directions. The assessments of load state limit and usability limit state are made according to valid standards. This thesis also included time dependent analysis (TDA), that takes construction stage analysis into account.
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Multi-span highway bridge
Doležal, Lukáš ; Novák, Richard (referee) ; Koláček, Jan (advisor)
The subject of diploma thesis is designing multi-span highway bridge over Řepovský potok valley, dirt roads and biocorridor. Three variants of bridge were designed and one of them – box girder 10 span bridge, has been chosen. Bridge deck is made from cast in place post tension prestressed beam. Load-bearing structure is concreting step by step on fixed and moving support. Total length of bridge is 560 m. The analysis of structure was projected on several computational models. They have been made in software Midas Civil and SCIA Engineer 18.1. The assessments of ultimate limit state and serviceability limit state were made in all steps of building in longitudinal and cross direction. In the analysis in longitudinal direction is included the time dependent analysis. Structural design was made in software MS Excel according to valid standards. Finally, drawing documentation and visualization were made.
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Prestressed road bridge in Staré Město
Krč, Rostislav ; Trenz, Jan (referee) ; Koláček, Jan (advisor)
The thesis focuses on design of superstructure of concrete bridge, which passes a roadway across the river Krupa in the town of Stare Mesto. It is a simple span structure with length of 19 meters. For further elaboration, post-tensioned concrete slab with trapezoidal-shaped cross section was chosen. Assessment of serviceability limit states and ultimate limit states according to recent European standards (Eurocodes) was made. Furthermore, a design of post-tension according to former Czech technical standards (CSN) was studied. The thesis includes technical drawings and visualization.
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Study of dynamic effect on a bridge structure with moving loads
Zavřelová, Michaela ; Martinásek, Josef (referee) ; Vlk, Zbyněk (advisor)
The goal of the master thesis is a dynamic parametric study on the dynamic effects of high-speed train using the HSLM-A load model on a railway bridge. The calculation model is processed, in RFEM 5.29.01 with RF-MOVE module and prerelease versions RFEM 6 and RSTAB 9, as a 2D member in the XZ plane. Furthermore, static load cases and load models LM 71 and HSLM-A are created. The HSLM-A load model is processed for universal trains A1-A10, which each cross the railway bridge at a total of 15 speeds ranging from 120 km/h to 400 km/h. A detailed parametric study of the dependence of the maximum deformation and acceleration in the Z direction on the speeds of each train set is performed. Modal and time history analysis is used in the parametric study. Part of the work is to determine the resonance region.
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Prestressed bridge in Budišov nad Budišovkou
Topinková, Petra ; Zich, Miloš (referee) ; Koláček, Jan (advisor)
This paper proposes main load-bearing structure for simple span concrete bridge across Budišovka river. Length of the construction is 18.8m. Three studies have been proposed and one of those was chosen for further processing. Selected study, prestressed concrete slab, was evaluated for ultimate and serviceability limit state according to recent European standards. Paper also includes visualizations and drawings.
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Outdoor Crane Runway of Car Cemetery in Bzenec
Trachtulcová, Šárka ; Sýkora, Karel (referee) ; Pilgr, Milan (advisor)
The content of this bachelor thesis is a design of a steel structure outdoor crane runway for running bridge crane carrying capacity of 32 t. Crane runway is located at car cementery in a town Bzenec. The proposal is made for the crane runway gauge of 22.5 meters and a length of 60 m. Crane track is made from solid columns with 8.0 m height and 12 m spacing, main beams crane runway, truss horizontal reinforcing beam and the reinforcing beam in an inclined plane. Part of the crane runway are also brake bracing and foundations. The basic material is steel strength grade S235.
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Slab bridge across the local creek
Štíchová, Kateřina ; Panáček, Josef (referee) ; Nečas, Radim (advisor)
The subject of this bachelor thesis is the design of a load–bearing structure in the village Velké Karlovice, which passes a roadway II/481 across the watercourse. There are three options of design and one of them – the variant of prestressed slab structure is chosen for more detailed elaboration. The span between bridge supports is 19.50 m and total width of the slab structure is 12.00 m. The slab structure is solved in two ways– – by the manual calculation (for check) and also by creation of the calculation slab model in the program. The manual calculation is based on element of 1.00 m widht and 19.5 m length, which is taken out of the slab. The statical model of this element is a sample beam. The internal forces are obtained from the manual calculation and they are compared with the forces of the slab model. The assessments are solved on the slab model according to valid standards.
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Multi-span highway bridge
Doležal, Lukáš ; Novák, Richard (referee) ; Koláček, Jan (advisor)
The subject of diploma thesis is designing multi-span highway bridge over Řepovský potok valley, dirt roads and biocorridor. Three variants of bridge were designed and one of them – box girder 10 span bridge, has been chosen. Bridge deck is made from cast in place post tension prestressed beam. Load-bearing structure is concreting step by step on fixed and moving support. Total length of bridge is 560 m. The analysis of structure was projected on several computational models. They have been made in software Midas Civil and SCIA Engineer 18.1. The assessments of ultimate limit state and serviceability limit state were made in all steps of building in longitudinal and cross direction. In the analysis in longitudinal direction is included the time dependent analysis. Structural design was made in software MS Excel according to valid standards. Finally, drawing documentation and visualization were made.
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