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An overview of the test procedure with the respective boundary conditions is given in Figure 6.
Temperature (°C)
80
60
40
20
0
temperature axial stress radial stress packer pressure gas pressure
1 2 3 4 5 6 7 8
Δt
22 7
1MPa
2
45MPa
2
10
6
30 C
0 5 10 15 20 25 30 35 40 45 50 55 60 65
10
Time (day)
494
2
10
70 C
5MPa
7 4
Figure 6: Test procedure in terms of boundary conditions to be applied to the sample
4. Outlook
The TC is currently being conducted. After finishing, the actual boundary conditions as maintained
during the experiment will be submitted to the project partners. The measurement results, however,
will only be made available after the modelling teams have finished their simulations of the TC, so
that the modelling results can be regarded as true blind predictions. The calculation results will then
be evaluated in comparison to the actual measurements.
Afterwards, the applied process models will be expressed in terms of a so-called compartment
model and implemented in the integrated PA codes of GRS and NRG to perform long-term performance
assessment predictions for a repository reference case.
Reference
[1] THERESA 2007: THERESA Project, Work Package 3, Deliverable 5, Compilation of existing
constitutive models and experimental field or laboratory data for the thermal-hydraulicmechanical
(THM) modelling of the excavation disturbed zone (EDZ) in rock salt, August
2007.
50
40
30
20
10
0
Stress / pressure (MPa)