Description

Concerns the alteration of construction concrete and grout in the central area. The processes associated to the alteration of these components are equivalent to those considered for concrete in the tunnel plug, see FEP Pg12.

SKB Number

SKB FEP Number

CA15

Main Category

Main category for FEP

Internal process

System Component

System component to which the FEP applies

Central area

Handling

Explanation of how the FEP is treated

Intact canister, Resaturation/ "thermal" period: Separate modelling of concrete degradation. Intact canister, Long-term after saturation and "thermal" period: Separate modelling of concrete degradation.

References

Bibliographic references to obtain more information

SR-Site Buffer, backfill and closure process report, TR-10-47, Section(s) 2.5.3, 6.4.5