Description

Water transport in the tunnel backfill under saturated conditions, which mainly is driven by a water pressure gradient.

SKB Number

SKB FEP Number

BfT04

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 under unsaturated conditions. For saturated conditions the treatment is the same as for "Long-term". Intact canister - Long-term after saturation and "thermal" period. Included in geosphere modelling.

References

Bibliographic references to obtain more information

SR-Site Buffer, backfill and closure process report, TR-10-47, Section(s) 2.3.4, 4.2.2; SR-Site Main report, TR-11-01, Section(s) 7.4.4