Description

Transport of solutes (dissolved substances) and colloids with the water in the backfill by pressure-induced flow: advection.

SKB Number

SKB FEP Number

BfT09

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. Simplified assumptions of mass transport of dissolved species during saturation. Intact canister - Long-term after saturation and "thermal" period. Included in geosphere modelling. Cases without the backfill path are considered.

References

Bibliographic references to obtain more information

SR-Site Buffer, backfill and closure process report, TR-10-47, Section(s) 2.3.4, 4.4.1; SR-Site Main report, TR-11-01, Section(s) 7.4.4