Minimizing radiation exposure for the reactor staff during the dismantling of a TRIGA research reactor
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M. Lesar
Abstract
An experimental method for the determination of the long-term activation of concrete shielding has been performed for two TRIGA research reactors in Ljubljana, Slovenia and in Vienna, Austria. The activity of concrete was studied on concrete samples taken directly from the external shielding of the reactor body with consecutive activation under specified parameters. The present work intends to help minimize radiation exposure for the reactor staff engaged in dismantling the concrete shield of a typical TRIGA Mark II research reactor.
Kurzfassung
Eine experimentelle Methode zur Bestimmung der Langzeitaktivierung wurde betrachtet für zwei TRIGA Forschungsreaktoren in Ljubljana, Slovenien und in Wien, Österreich. Die Aktivität von Beton wurde anhand von Betonproben untersucht, die direkt von der externen Abschirmung des Reaktors entnomen wurden mit nachfolgender Aktivierung unter bestimmten Parametern. Ziel der vorliegenden Arbeit ist die Minimierung der Strahlenexposition des Reaktorpersonals, das mit dem Rückbau der Betonabschirmung eines typischen TRIGA Mark II Forschungsreaktor befasst ist.
References
[1]MarkoLesar, Master Thesis, „Comparission of activated samples from the radiological shields of research reactors“, University of Maribor, Slovenia, 2003Search in Google Scholar
[2]Hampel, G.; Klaus, U.: Planning of Radiation Protection Precautionary Measures in Preparation for Dismantling and Removal of the TRIGA Reactor at the Medical University of HannoverSearch in Google Scholar
[3]Lesar, M.; Žagar, T.; Ravnik, M.: Estimation of Waste Volumes after TRIGA Mark II Reactor Dissmantling. International Conference, Nuclear Energy for New Europe, Portorož, Slovenia, September 8–11, 2003Search in Google Scholar
[4]Žagar, T.; Ravnik, M.; Božič, M.: Neutron Flux Measurements in Research reactor Concrete Shield, Nuclear Energy in Central Europe 2001, http://www.drustvo-js.si/port2001/abs/absPORT20011030.html, 1.8.2005Search in Google Scholar
[5]Gilmore, G.; Hemingway, J.: Practical Gamma-Ray Spectrometry, John Wiley & Sons, 1996Search in Google Scholar
[6]Steger, F.; Brandl, A.; Meyer, F.; Feichtinger, J.; Lovranich, E.: Radiation protection tasks on dismantling and decommissioning of the Research Reactor ASTRA at the Austrian Research Centres Seibersdorf (ARCS), http://www.irpa11.com/new/papers/papers.php?&ses=5&ses1=e, 6.10.2005Search in Google Scholar
[7]Hampel, G.; Harke, H.; Klaus, U.; Kelm, W.; Lörcher, G.: Sampling and radiological analysis of components of the TRIGA reactor at the Medical University of Hannover, WM'01 Conference, February 25–March 1, 2001, Tucson, AZ, http://www.wmsym.org/Abstracts/2001/38/38-3.pdf, 6.10.2005Search in Google Scholar
© 2006, Carl Hanser Verlag, München
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Articles in the same Issue
- Contents/Inhalt
- Contents
- Summaries/Kurzfassungen
- Summaries
- Technical Contributions/Fachbeiträge
- Minor actinide burning in a CANDU thorium reactor
- Modeling of the TOSQAN test facility with the lumped parameter code COCOSYS
- Thermal-hydraulic modeling of the onset of flow instability in MTR reactors
- 10.3139/124.100302
- 10.3139/124.100304
- Radiation transfer in inhomogeneous exponential media
- Neutron transport problems for extremely anisotropic scattering
- Milne problem for isotropic and linearly anisotropic scattering for specular and diffuse reflecting boundary conditions solved with the HN method
- ICDE-results on complete common cause failures in the light of results obtained with the POS model
- Modelling of the cumulative behaviour of Caesium and Strontium activities in nuclear fuel
- Analytical study of the closure flow inside the ETRR-2 core chimney
- Minimizing radiation exposure for the reactor staff during the dismantling of a TRIGA research reactor