Description
Freezing of the porewater in the tunnel backfill and consequences for backfill properties.
SKB Number
SKB FEP Number
BfT02
Main Category
Main category for FEP
Internal process
System Component
System component to which the FEP applies
Backfill in tunnels
Handling
Explanation of how the FEP is treated
Intact canister - Resaturation/ "thermal" period. Neglected, since this requires permafrost conditions.
Intact canister - Long-term after saturation and "thermal" period. Neglected if backfill temperature > -2°C. Otherwise discussed.
References
Bibliographic references to obtain more information
SR-Site Buffer, backfill and closure process report, TR-10-47, Section(s) 2.3.4, 4.1.2; SR-Site Main report, TR-11-01, Section(s) 7.4.4