Description

Concerns transformation of montmorillonite in the bentonite part of the borehole seals.

SKB Number

SKB FEP Number

BhS17

Main Category

Main category for FEP

Internal process

System Component

System component to which the FEP applies

Borehole seals

Handling

Explanation of how the FEP is treated

Intact canister, Resaturation/ "thermal" period: Neglected, process will not occur on short timescale (see long term). Intact canister, Long-term after saturation and "thermal" period: Estimate based on comparison with natural systems. Separate discussion on the interaction between bentonite and concrete.

References

Bibliographic references to obtain more information

SR-Site Buffer, backfill and closure process report, TR-10-47, Section(s) 2.8.3, 9.4.9