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Study of the flood protection measures
Žiaková, Tereza ; Duchan, David (referee) ; Dráb, Aleš (advisor)
The bachelor thesis focuses on the assessment of the channel capacity and the design of flood protection measures on the Kotojekda river from the mouth to the Morava River up to river kilometre 3,200. The thesis includes hydraulic calculations using a 1D model. As a result, the proposed flood protection measure is in the form of raising the dikes to the design flow of Q20 with a safety elevation of 40 cm. This design, in combination with the previously developed dry reservoir design, provides protection of the area up to Q100 and protection of the surrounding area from flooding.
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Flood protection of the municipality Březová nad Svitavou
Cetkovská, Lucie ; Vysloužilová, Lucie (referee) ; Uhmannová, Hana (advisor)
The diploma thesis is focused on the assessment of the stream and the proposal against flood risk in the location of town Březová nad Svitavou. The stream Svitava flows under administration of Povodí Moravy. s. p. The stream Svitava flowing through urban area, has a high potencial flood risk. The current situation of a section of the stream is assessed based on defined data and personal inspection. On the stream, there were provided the measurements by the method of HEM. Capacity of the stream along with the objects for the particular section were calculated in the software HEC-RAS. Based on the results, there have been designed the flood protection. The final design was verified by the calculation in the program HEC-RAS.
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Dry reservoir Blučina
Vicena, Dušan ; Ryšavá, Markéta (referee) ; Zachoval, Zbyněk (advisor)
The Diploma Thesis consists of research and design part. The content of research part is description of dry reservoirs and theory of 2D modelling. The design part of the work deals with the hydrotechnical study of possibility of building a dry reservoir Blučina in two variants of designs of reservoir with objects. The design contains simulations of 2D numerical model of reservoir made in program SMS-SRH of both designed variants. The result is evaluation of both designed variants and recommendation of better option for a possibility of construction in the future in terms of the transformation of the century-flood wave.
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Experimental verification of flood kidney three bag functionality
Požárová, Miroslava ; Dráb, Aleš (referee) ; Žoužela, Michal (advisor)
This bachelor's thesis deals with the system of large-volume flood bags Protex - K manufactured by the company KOEXPRO OSTRAVA, joint stock company. The bags consist of polyethylene fabric filled with cement and fly ash mixture. The system enables creation of many shape modifications. One of them is the so-called triplet formed from three hose bags with the nominal diameter of 300 mm. The goal of the work was to verify functionality of this bag in one of the hydraulic troughs in the Laboratory of Water Management Research of Department of Water Structures of the Faculty of Civil Engineering, Brno University of Technology. To assess the functionality, the bag stability was tested with various water levels, and discharge coefficient and specific leakage per one standard meter of the bag was determined. The resulting discharge coefficient was compared with discharge coefficients of similarly shaped constructions. The work includes comparison of the flood bags with commonly used bags. Furthermore, the data obtained by measuring and processed in the tabular and graphical form are presented in the work.
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Proposal of measures on Svratka river in the cadastral area of Svratka
Černý, David ; Vysloužilová, Lucie (referee) ; Uhmannová, Hana (advisor)
The diploma thesis focuses on the assessment of the current state of the Svratka watercourse and of the capacity of the existing objects on the course, which is partially modified in the solved locality and includes both – intravarian and extravarian areas of the town. Within hydrotechnical calculations, the 1D mathematical model HEC-RAS version 5.0.6 was used to determine the course of levels. The thesis focuses also on suitable design of flood protection measures on the river Svratka with protection for design flow Qn = Q20 = 28,6 m3 / s.
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Feasibility study of the flood protection measures
Kacálek, Tomáš ; Štěpánek, Jiří (referee) ; Dráb, Aleš (advisor)
This diploma thesis deals with assessment of flood protection measures in Břeclav. Hydraulic calculations of proposal flood events were carried out using 2D numerical model of water flow. Several simulations took account of construction phases and different values of proposal discharge. The hydraulic calculations were computed for river Thaya including its relief branch. The results were processed in the form of inundation maps, depth maps and they were recorded in longitudinal profiles of rivers.
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Remediation measures proposal for treatment of runoff in Letovic
Brázdová, Veronika ; Uhmannová, Hana (referee) ; Julínek, Tomáš (advisor)
Diploma thesis deals with design of a flood protection a controlling structures with respect to problém of inner waters in the area of interest. The river reaches assessed are located mostly in the urban area of the city Letovice, more precisely from the junction of the Svitava and Křetínka river. The reaches are at kilometer 59,608 – 61,520 of the Svitava and kilometer 0-1,752 of the Křetínka river including the race between them. Program MIKE 11 (developed by Danish hydraulic institut) was used to calculate the water levels as nonuniform flow.
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Flood protection in the community Želešice from streams Bobrava and Hajanský potok
Marek, Vít ; Vrba, Jan (referee) ; Veselý, Jaroslav (advisor)
This thesis is a study of flood protection in the community Želešice, Brno-venkov. The theoretical part deals with: the causes of flooding, their dividing and deals with options, how to protect endangered area. Main part includes calculations of the amount of sediment in the river Bobrava and the Hajanský stream, analysis of risks by quantitative expression, suggests to complete the flood plan of the community and a list of designed flood control measures with own technical suggestion. The last point is to consider, whether is the community threatened by backwater from the river Svratka, which the river Bobrava flows into.
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