Description
Interaction of water vapour with bentonite during the unsaturated phase may cause cementation, with relatively rapid loss of some swelling capacity. This may also influence the hydraulic properties of the buffer.
OPA Category
Category as used in the OPA assessment
Bentonite buffer
OPA Number
Number as used in the OPA assessment
2.05
Waste Relevance
Classes of waste to which this FEP is relevant
SF/HLW
NEA V1 IFEP Reference(s)
Related IFEPs from the NEA V1 IFEP list from 1999
2.1.09, 2.1.07, 2.1.08