Cel A large part of activated or contaminated steel and copper arising from decommissioning of nuclear installations could be recycled, as aggregate or reinforcement in concrete for new nuclear installations. The object of the study is: 1) choosing the type, amount and form of the metals to be used; 2) analysing the possible process to transform the metal into smaller particles and producing high grade concrete; 3) finding out the possible applications of different concrete qualities within the field of nuclear applications. The first part will be a literature review, the second part will consist in laboratory experiments with nonradioactive metals, and the third part will be a desk study. During the study, specific data about the process costs will be estimated. This research programme has a strong relationship with the melting technique developed by SG (FI1D0016 and 0059) and could have interactions with the separation technique studies by TNO/KEMA (FI1D0068).A large part of activated or contaminated steel and copper arising from decommissioning of nuclear installations could be recycled, as aggregate or reinforcement in concrete for new nuclear installations. The object of the study is:choosing the type, amount and form of the metals to be used; analysing the possible process to transform the metal into smaller particles and producing high grade concrete; finding out the possible applications of different concrete qualities within the field of nuclear applications.The main contaminated steel types in nuclear installations are mild steel and stainless steel. The amounts of contaminated steel, set free during decommissioning of nuclear installations, depends on several factors such as type of reactor, time after shutdown, operation time, etc. The best way to recycle this material seems to melt the steel scrap first in order to gain both activity reduction and a controllable product and then process the molten steel into granules. During the concrete research programm 3 kinds of steel shapes were tested, fibres (long and short), granules and steelscrap. As a first conclusion it can be said that it is possible to add these different types and shapes of steel to concrete in order to get a good result for workability and strength requirements.WORK PROGRAMME 1. Literature study on metal waste types, quantities and activation/contamination levels in order to select potential processes for waste transformation. 2. Conduction of a specific test programme on combinations of different metals and metal forms with concrete and mortars. 3. Evaluation of the results and survey of possible applications. Dziedzina nauki engineering and technologyenvironmental engineeringwaste managementwaste treatment processesrecyclinghumanitieslanguages and literatureliterature studies Program(-y) FP2-DECOM 3C - Specific research and technological development programme (Euratom) in the field of decommissioning of nuclear installations, 1989-1993 Temat(-y) A4 - Treatment of specific waste materials Zaproszenie do składania wniosków Data not available System finansowania CSC - Cost-sharing contracts Koordynator Bureau A+ Wkład UE Brak danych Adres 87,Godsweerdersingel 6041 GK Roermond Niderlandy Zobacz na mapie Koszt całkowity Brak danych
