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Field Measurements at the New Lock of Lanaye (BELGIUM) Before the Opening to Navigation

Author(s): C. Savary; D. Bousmar; C. Swartenbroekx; G. Zorzan; T. Auguste

Linked Author(s): Céline Savary, Didier Bousmar, Catherine Swartenbroekx

Keywords: No keywords

Abstract: A new navigation lock (length: 225 m, width: 25 m, drop: 13.7 m) was inaugurated in 2015 in Lanaye in Belgium. Before opening the lock to navigation, field measurements were realized to check its good working and to compare the operating conditions with the acceptable thresholds corresponding to the design criterions. The measurements during the lockage allowed to control: (i) the filling and emptying hydrographs, (ii) the movement of water in the lock chamber, (iii) the wave amplitude in the downstream and upstream reaches, (iv) the pressure, the vibrations and the sound level around the valves in order to quantify the cavitation level and (v) the vibrations at different places of the structure. In an attempt to find a solution to decrease vibration and cavitation level noticed during the trial period, the hydraulic measurements were realized for two opening laws of the valves.


Year: 2016

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