Fiber optic deformation and temperature measurement system for application at underground radioactive waste repositories

Michael Jobmann; Marc Voet; Stief Goetschalckx; Johan Vlekken

doi:10.1117/12.624009

23 May 2005 Fiber optic deformation and temperature measurement system for application at underground radioactive waste repositories

Michael Jobmann, Marc Voet, Stief Goetschalckx, Johan Vlekken

Author Affiliations +

Proceedings Volume 5855, 17th International Conference on Optical Fibre Sensors; (2005) https://doi.org/10.1117/12.624009
Event: 17th International Conference on Optical Fibre Sensors, 2005, Bruges, Belgium

Abstract

The disposal of high radioactive waste in underground repository sites is a complex and complicated topic due to the strong heat generation. At the Mont Terri URL (Underground Research Laboratory), which is located in a potential clay host rock in Switzerland, a special heater test is currently performed to investigate the heat impact on the clay behavior. A fiber optic measurement system has been developed in order to measure the temperature evolution around the heat sources that have a maximum temperature of 100°C as well as the induced rock deformation due to the thermal expansion of the clay. The system as well as some first results will be described.

Citation Download Citation

Michael Jobmann, Marc Voet, Stief Goetschalckx, and Johan Vlekken "Fiber optic deformation and temperature measurement system for application at underground radioactive waste repositories", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); https://doi.org/10.1117/12.624009

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