TY - JOUR AU - Guerrero, A. AU - Fernández, M. S. AU - Goñi, S. PY - 1999/09/30 Y2 - 2024/03/29 TI - Cemented materials in the LLW and MLW Spanish disposal JF - Materiales de Construcción JA - Mater. constr. VL - 49 IS - 255 SE - Research Articles DO - 10.3989/mc.1999.v49.i255.440 UR - https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/440 SP - 31-40 AB - BWR and PWR cemented matrices to confine low and medium simulated liquid radioactive wastes have been submitted to the leaching process in de-ionized water at 20ºC and 40ºC, to obtain the medium leachability index (L) and the effective diffusion coefficient (D<sub>e</sub>) of different ions. Otherwise, it has been studied the associated expansion of the backfilling mortar of the concrete containers of the Spanish repository of these wastes, due to a possible attack of the sulfate ions coming from the cemented matrices. ER -