Description
Concerns the formation of open channels or gaps in the top seal materials by inflowing groundwater and the erosion of fine particles along the so created pipes.
SKB Number
SKB FEP Number
TS06
Main Category
Main category for FEP
Internal process
System Component
System component to which the FEP applies
Top seal
Handling
Explanation of how the FEP is treated
Intact canister, Resaturation/ "thermal" period: Neglected since piping cannot occur in the material.
Intact canister, Long-term after saturation and "thermal" period: Neglected since piping cannot occur in the material.
References
Bibliographic references to obtain more information
SR-Site Buffer, backfill and closure process report, TR-10-47, Section(s) 2.6.3, 7.2.4