Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Measurement results on full scale field experiment using optical fibre detection methods
Both active and passive temperature measurement methods have demonstrated their functionality to locate leaks in dams. However the sensibility of measurements with respect to external parameters such as air temperature or solar radiative flux has not been well investigated. A full scale experimental basin was built to test active and passive measurements. Several fillings were made since September 2006, in order to mimic sudden floods with different meteorological conditions. The equipment is described, and results are presented. A special emphasis is put on relationship between leakage flow rate and corresponding temperature measurements. In the basin were tested: Multimode fibre (Raman), single mode fibre (Brillouin), heating cable, and geo-membranes. First results tend to demonstrate that leaks are detectable without heat-up and without high contrast between air and water temperature.
Measurement results on full scale field experiment using optical fibre detection methods
Both active and passive temperature measurement methods have demonstrated their functionality to locate leaks in dams. However the sensibility of measurements with respect to external parameters such as air temperature or solar radiative flux has not been well investigated. A full scale experimental basin was built to test active and passive measurements. Several fillings were made since September 2006, in order to mimic sudden floods with different meteorological conditions. The equipment is described, and results are presented. A special emphasis is put on relationship between leakage flow rate and corresponding temperature measurements. In the basin were tested: Multimode fibre (Raman), single mode fibre (Brillouin), heating cable, and geo-membranes. First results tend to demonstrate that leaks are detectable without heat-up and without high contrast between air and water temperature.
Measurement results on full scale field experiment using optical fibre detection methods
Messergebnisse an einem Staubecken-Feldversuch in voller Größe unter Verwendung von Glasfiber-Meßmethoden
Guidoux, Cyril (Autor:in) / Faure, Yves-Henri (Autor:in) / Artieres, Olivier (Autor:in) / Henault, Jean-Marie (Autor:in) / Fry, Jean-Jacques (Autor:in) / Blairon, Sylvain (Autor:in) / Roosbroeck, Jan Van (Autor:in) / Royet, Paul (Autor:in)
Wasserwirtschaft ; 97 ; 66-68
2007
3 Seiten, 3 Bilder, 4 Quellen
Aufsatz (Zeitschrift)
Englisch
Staudamm , Wasserdichtheit , Dichtheitsprüfung , Überwachungstechnik , Überwachungseinrichtung , Glasfaser , Temperaturmessung , Versuchsergebnis , Versuchsaufbau , Wasserbau , Raman-Effekt , Brillouin-Effekt , Spektrometrie , Dehnungsmessung , faseroptischer Sensor , Sickerwasser , Temperaturverteilung , Leck , Geomembran
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