期刊名称：Journal of Materials and Environmental Science
印刷版ISSN：2028-2508
出版年度：2018
卷号：9
期号：2
页码：709-715
DOI：10.26872/jmes.2018.9.2.78
出版社：University of Mohammed Premier Oujda
摘要：In Morocco, the spent radioactive ion exchange resins are generated from the purification ofthe water circuits of the nuclear reactor TRIGA MARK II of the Center for Nuclear Studiesof Maamoura (CENM). A strategy for the effective management of these wastes fromgeneration to storage is necessary to ensure their safe handling, conditioning and storage toavoid detrimental effects on health and the environment. The immobilization of radioactivewaste of low and intermediate activity in cement matrices, which constitutes the first barrierto curb the radiation of these wastes, is the most widely used technique for producingradioactive waste packages that are compliant with regulatory requirements. Theincorporation of clay in mortar produces similar materials to ordinary cement mortar butwith superior characteristics. The aim of this study is to find a new formulation of a cementmatrix of confinement of ions exchange resins by gradually substituting the sand in themortar by a fireclay. The monitoring of physical, chemical properties and the influence onthe mechanical behavior of mortars has identified, an optimal formulation consisted of52.57% of cement, 10.4% sand, 8% of fireclay, 15.153% of the water and 13.915% resin.Indeed, the compressive strength for this formulation is 7.4292 MPA seems most suitablefor packaging resins.
