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Total Housing
(2010)
Bolles-Wilson
(2010)
Interview zum Thema SRM
(2010)
Metallwerkstück
(2010)
The Solis reservoir is located in the Alps in Grisons, Switzerland and is operated by the electric power company of Zurich (ewz). Since its construction in 1986, high sediment input during flood events has led to major aggradations in the reservoir. Up to date, nearly half of the original reservoir volume has been filled with sediments from upstream mountain torrents. The deltaic deposition starts extending into the active water volume. Therefore, ewz plans a sediment bypass tunnel to flush the incoming bedload around the dam to the downstream reach. In a first step the reservoir level during flood events is lowered to the minimum operation level. The delta is subjected to free surface flow and the bedload is transported over the delta and deposited further downstream. This sediment relocation decreases the delta volume within the active storage. During further flood events, the incoming sediment is led to the bypass tunnel intake using a guiding structure and flushed through the tunnel. If the flood exceeds the capacity of the bypass tunnel, the surplus flow passes the tunnel intake towards the bottom outlets with the bedload still being flushed through the tunnel. A skimming wall located upstream from the tunnel intake prevents driftwood blocking by leading it to the reservoir front where it can be safely removed. Both the sediment relocation due to water level drawdown and the flushing through the bypass tunnel are investigated and optimized in a hydraulic model at the Laboratory of Hydraulics, Hydrology and Glaciology (VAW) of ETH Zurich. Additionally, the sediment relocation process in the model is compared with a relocation test in the prototype.
Science-to-Business Marketing; Habilitationsschrift am Internationalen Hochschulinstitut Zittau
(2010)
Social Tagging: Semantische Informationsverarbeitung am Beispiel der Profildaten des XING-Netzwerks
(2010)
Überraschend anders
(2010)
Überlegt bündeln
(2010)
Messung, Steuerung & Koordination von Facility Management-Dienstleistungen im Immobilienlebenszyklus
(2010)
Helmond City Library
(2010)
Von der Programm- zur Systemakkreditierung. Der Weg und die Fragen der Fachhochschule Münster
(2010)
Gedämpfte Nuancen
(2010)