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Umestitev in analiza delovanja poplavnih zadrževalnikov na reki Dreti : magistrsko delo
Ugovšek, Lenart (Author), Rusjan, Simon (Mentor) More about this mentor... This link opens in a new window, Brilly, Mitja (Co-mentor)

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Abstract
V začetnem delu naloge je na kratko predstavljeno porečje reke Drete in poplavna problematika Drete ter hkrati reke Savinje, v katero se Dreta izliva. Tako Dreta samostojno kot Savinja združena z Dreto povzročata poplavljanje urbaniziranih površin. Kot rešitev te problematike smo analizirali možnost umestitve suhih poplavnih zadrževalnikov na poplavnih ravnicah reke Drete. Opisan je pregled porečja Drete z namenom ugotovitve primernih poplavnih ravnic za umestitev suhih zadrževalnikov poplavnih voda. Po določitvi dveh primernih območij za zadrževanje visokih voda je opisana lokacija ter upoštevan način zadrževanja, postopek dimenzioniranja zadrževalnih objektov in potek hidravličnega modeliranja z upoštevanjem delovanja zadrževalnikov. Prikazana je tudi volumska kapaciteta največje možne zadržane količine vode in obseg del za izvedbo zadrževalnikov. V končnem delu magistrskega dela so opisani še rezultati analize zadrževanja. Preverjali smo tudi vpliv zadrževalnikov na velikost in časovno zakasnitev konice vhodnega hidrograma in hkrati vpliv predlagane regulacije Drete na reko Savinjo.

Language:Slovenian
Keywords:hidrogram odtoka, HEC-RAS, dimenzioniranje zadrževalnih objektov, suhi zadrževalniki poplavnih voda
Work type:Master's thesis/paper (mb22)
Tipology:2.09 - Master's Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Year:2017
Publisher:[L. Ugovšek]
UDC:627.512:627.82(497.4)(043.3)
COBISS.SI-ID:8139873 This link opens in a new window
Views:1132
Downloads:397
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Secondary language

Language:English
Title:Positioning and analysis of the dry retention areas operation on the river Dreta : Master thesis
Abstract:
In the first part of the thesis is a short presentation of Dreta catchment and flood problematics of Dreta river and Savinja river. Dreta river together with Savinja river causes flooding of urbanized areas. As a solution for flooding problematics, we analyzed optimal positioning of dry retention reservoirs for attenuation of flood waters on the floodplains along the Dreta river. We prepared a description of Dreta catchment in order to determin potentially suitable floodplain areas, where dry retention reservoirs could be placed. After choosing two floodplanes, that were in our opinion most suitable for placing the retention reservoir, we made more detailed description of dry retention reservoirs locations, in order to retain flood waters. We preformed dimensioning of flood retention objects and constructed hydraulic model that includes dry retention reservoirs. After placing the reservoirs, we analyzed the maximum capacity of water that can be retained. In the last part of the thesis we present the results of flood water retention analysis. We have achieved effective reduction of hydrograph peak flows and prologned time delay of the hydrograph peaks. We also assessed the influence of dry retention reservoirs along the Dreta river on the Savinja river hydrographs.

Keywords:flow hydrograph, HEC-RAS, dimensioning of flood retention objects, dry retention reservoirs for attenuation of flood waters

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