Flow limitation and riverbank protection design using asymmetrical flow mapping on a physical hydraulic model

Vecsernyes, Zsolt (School of Engineering, Architecture and Landscape (hepia), HES-SO // University of Applied Sciences Western Switzerland) ; Andreini, Nicolas (School of Engineering, Architecture and Landscape (hepia), HES-SO // University of Applied Sciences Western Switzerland)

The experimental monitoring of an asymmetrical flow pattern, realised on a physical model at the Laboratory for Applied Hydraulics of HEPIA, yielded accurate dimensioning of a flow limitation device and appropriate riverbank protection design. The studied structures were then implemented on the Aire River in Geneva. The main goals of the Aire River revitalization program in Geneva are: hazard and risk mitigation. Inundation risk is mitigated for the Q300y=120 m3/s design discharge by an orifice-weir structure yielding a 400'000 m3 flood retention devices [1] preserving the orifice of driftwood clogging. Since upstream from the orifice flow conditions are strongyle asymmetrical, velocity field needed to be monitored on a physical hydraulic model [2]. Velocity measurement was carried out by means of Met-Flow UVP probes and the shear stress calculated. The experimental analysis results yielded an appropriate orifice geometry and riverbank protection design.


Keywords:
Conference Type:
short paper
Faculty:
Ingénierie et Architecture
School:
HEPIA - Genève
Institute:
inPACT - Institut du Paysage, d'Architecture, de la Construction et du Territoire
Publisher:
Berlin, Germany, 5-7 September 2018
Date:
2018-09
Berlin, Germany
5-7 September 2018
Pagination:
4 p.
Published in:
Proceeding sof 11th International Symposium on Ultrasonic Doppler Methods for Fluid Mechanics and Fluid Engineering, 5-7 September 2018, Berlin, Germany
DOI:
Appears in Collection:



 Record created 2020-02-28, last modified 2020-02-28

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