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Design of a weir with a movable barrier structure on the Dyje river
Orságová, Adéla ; Duchan, David (referee) ; Julínek, Tomáš (advisor)
This bachelor thesis deals with a variant design of a movable damming structure on the Dyje River south of the town of Breclav (at river kilometre 19,609), which would enable flooding of the northern part of the Soutok polder. The thesis first describes the flooding issues, types of flood control structures and a description of the area of interest. Next, three variations of the dam structure are proposed: a fixed Jambor sill, a combination of Jambor sill with a flap gate, and a boulder slip. For each variant a hydrotechnical assessment and evaluation is carried out from different points of view. Based on the evaluation, the boulder slip was selected as the most suitable option. This option is the most efficient in terms of economics, technical, operational and also aesthetics. The boulder slide would still be able to provide inflow to the northern part of the Soutok polder while not disturbing the flow conditions in the stream and minimally interfering with the habitat.
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