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[en] The goal of this work is to present activation measurements of radiological shield samples from the research reactor TRIGA in Vienna, Austria and to compare them with measurements made of a similar samples from research reactor TRIGA in Ljubljana, Slovenia. The final aim of these experiments was to determine the volume of activated concrete in biological shield of TRIGA in Vienna. Heavy concrete with the aggregate barite was used for the reactor shield. Barite gives good attenuation properties for gamma rays, but the long-lived radioactive nuclide Ba-133 is activated by neutrons, something we do not have with normal concrete. Results for the samples of the shield in Ljubljana have already been presented. (author)
Source
Ravnik, M.; Zagar, T. (Nuclear Society of Slovenia (Slovenia)) (eds.); Nuclear Society of Slovenia, Ljubljana (Slovenia). Funding organisation: Inst. Jozef Stefan, Ljubljana (Slovenia); NUMIP, Krsko (Slovenia); Ministry of Education, Science and Sport of Slovenia, Ljubljana (Slovenia); Westinghouse Electric Systems Europe S.A., Brussels (Belgium); Framatome, Paris (France); Agency for Radwaste Management, Ljubljana (Slovenia); Inetec, Zagreb (Croatia); Elmont, Krsko (Slovenia); Slovenian Nuclear Safety Administration, Ljubljana (Slovenia); Inst. of Metals and Technology, Ljubljana (Slovenia); Inst. of Metal Constructions, Ljubljana (Slovenia); Q Techna, Krsko (Slovenia); Faculty of Mechanical Engineering, Univ. of Ljubljana (Slovenia); Graduate Program Nucelar Engineering, Univ. of Ljubljana (Slovenia); 827 p; ISBN 961-6207-21-0; 
; 2003; [8 p.]; International Conference Nuclear Energy for New Europe 2003; Portoroz (Slovenia); 8-11 Sep 2003; Also available from Slovenian Nuclear Safety Administration, Zelezna cesta 16, Ljubljana (SI) or Nuclear Society of Slovenia, Jamova 39, Ljubljana (SI); 8 refs., 6 tabs., 2 figs.
; 2003; [8 p.]; International Conference Nuclear Energy for New Europe 2003; Portoroz (Slovenia); 8-11 Sep 2003; Also available from Slovenian Nuclear Safety Administration, Zelezna cesta 16, Ljubljana (SI) or Nuclear Society of Slovenia, Jamova 39, Ljubljana (SI); 8 refs., 6 tabs., 2 figs.