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Numerical modelling of TER Results obtained by UPC
9th TER Technical Discussion, 17th of June 2008, Chatenay-Malabry, France
Dept. of Geotechnical Engineering and GeosciencesTECHNICAL UNIVERSITY OF CATALONIA (UPC)
Latest update of the 2D THM simulation: pore water pressure
measurements
Latest update of the 3D T simulation against measurements Influence of gallery temperature
Points for discussion
2D THM
2.6
MP
a
13.7MPa 2.6MPa
13.7
MP
a
22ºC
22ºCqw=0
qh=0
2.6MPa 22ºC
qh=0
u=0
u=0
qh23
.4 m
9.4
m
12.7 m
Model used for the computations of the 2D THM backanalysis
Simple model:
• isotropic (conductivity, permeability, rigidity)
• no gallery temperature
Difference map of the pore pressure field
Difference map of the deformation field
2D THM-lo
g (α
T)
-log (kw) -log (kw)kw=3.16 E-20αT=5 E-6
-3
-2
-1
0
1
2
3
4
0 200 400 600 800 1000
Time [days from heating]
Ove
rpre
ssur
e [M
Pa]
1401_P01 1401_sim_01
2D THMPREDICTION
BA
CK
-
AN
ALY
SIS
2D THMPREDICTION
-2
-1
0
1
2
3
4
5
0 200 400 600 800 1000
Time [days from heating]
Ove
rpre
ssur
e [M
Pa]
1402_P01 1402_P02
1402_sim_01
BA
CK
-
AN
ALY
SIS
2D THMPREDICTION
-2
-1
0
1
2
3
4
5
0 200 400 600 800 1000
Time [days from heating]
Ove
rpre
ssur
e [M
Pa]
1403_P01 1403_sim_01BA
CK
-
AN
ALY
SIS
2D THMPREDICTION
-2
-1
0
1
2
3
4
5
0 200 400 600 800 1000
Time [days from heating]
Ove
rpre
ssur
e [M
Pa]
1404_P01 1404_sim_01BA
CK
-
AN
ALY
SIS
2D THMPREDICTION
-2
-1
0
1
2
3
4
5
0 200 400 600 800 1000
Time [days from heating]
Ove
rpre
ssur
e [M
Pa]
1405_P01
1405_P02
1405_sim_01
BA
CK
-
AN
ALY
SIS
TER experiment: 3D T
Site geometry
Horizontal
bedding
planes
TER experiment: 3D T
Boundary conditions
Applied power
Seasonal temperature changes
in the galleries
Tini = 21.5ºC
Measurements have high variability
13
15
17
19
21
23
25
27
29
17/02
/2005
05/09
/2005
24/03
/2006
10/10
/2006
28/04
/2007
14/11
/2007
01/06
/2008
18/12
/2008
06/07
/2009
22/01
/2010
Time
Tem
pera
ture
TER1302_TEM_01 MedianTER1499_TEM_01 MedianSUG1123_TEM_01 MedianSUG1130_TEM_09SUG1130_TEM_08SUG1130_TEM_07SUG1098_TEM_01 MedianModel
21/12 21/1221/06 21/0621/06 21/12 21/06
0100200300400500600700800900
1000
5-9-05
14-12
-05
24-3-
06
2-7-06
10-10
-06
18-1-
07
28-4-
07
6-8-07
14-11
-07
22-2-
08
1-6-08
9-9-08
Time
Pow
er [W
]
Applied powerModel: interval start timeModel: interval end time
Phase I
Phase II Phase III
11-1-06
22-2-06
6-9-06
15-2-07
26-3-07
30-7-07
7-5-08
λ// [W/m/K] = 2
λ┴ [W/m/K] = 1
TER experiment: 3D T
TER1201TEM2
20
25
30
35
40
45
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1201TEM2TER1201TEM2TER1201TEM2
TER experiment: 3D T
TER1201TEM1
22
24
26
28
30
32
34
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1201TEM1TER1201TEM1 (A1)TER1201TEM1 (A1)
TER experiment: 3D T
TER1201TEM3
20
25
30
35
40
45
50
55
60
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1201TEM3TER1201TEM3TER1201TEM3
TER experiment: 3D T
TER1201TEM4
2022242628303234363840
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1201TEM4TER1201TEM4TER1201TEM4
TER experiment: 3D T
TER1201TEM5
21
22
23
24
25
26
27
28
29
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1201TEM5TER1201TEM5 (A1)TER1201TEM5 (A1)
TER experiment: 3D T
TER1201TEM5
21
22
23
24
25
26
27
28
29
28-3-
09
17-4-
09
7-5-09
27-5-
09
16-6-
09
6-7-09
26-7-
09
15-8-
09
4-9-09
24-9-
09
14-10
-09
Time
Tem
pera
ture
[ºC
]
TER1201TEM5TER1201TEM5 (A1)TER1201TEM5 (A1)
TER experiment: 3D T
TER1202TEM1
22
23
24
25
26
27
28
29
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1202TEM1TER1202TEM1TER1202TEM1
TER experiment: 3D T
TER1202TEM2
21
23
25
27
29
31
33
35
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1202TEM2TER1202TEM2TER1202TEM2TER1202TEM5
TER experiment: 3D T
TER1202TEM3
20
25
30
35
40
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1202TEM3TER1202TEM3TER1202TEM3
TER experiment: 3D T
TER1202TEM4
2022242628303234363840
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1202TEM4TER1202TEM4TER1202TEM4
TER experiment: 3D T
TER1202TEM5
21
23
25
27
29
31
33
35
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1202TEM2TER1202TEM5TER1202TEM5TER1202TEM5
TER experiment: 3D T
TER1203TEM1
2223242526272829303132
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1203TEM1TER1203TEM1TER1203TEM1
TER experiment: 3D T
TER1203TEM2
2022242628303234363840
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1203TEM2TER1203TEM2TER1203TEM2
TER experiment: 3D T
TER1203TEM3
20
25
30
35
40
45
50
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1203TEM3TER1203TEM3TER1203TEM3
TER experiment: 3D T
TER1203TEM3
20
25
30
35
40
45
50
28-3-
09
17-4-
09
7-5-09
27-5-
09
16-6-
09
6-7-09
26-7-
09
15-8-
09
4-9-09
24-9-
09
14-10
-09
Time
Tem
pera
ture
[ºC
]
TER1203TEM3TER1203TEM3TER1203TEM3
TER experiment: 3D T
TER1203TEM3
20
25
30
35
40
45
50
17-5-
09
22-5-
09
27-5-
09
1-6-09
6-6-09
11-6-
09
16-6-
09
Time
Tem
pera
ture
[ºC
]
TER1203TEM3
TER1203TEM3
TER experiment: 3D T
TER1203TEM4
21
23
25
27
29
31
33
35
37
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1203TEM4TER1203TEM4TER1203TEM4
TER experiment: 3D T
TER1203TEM5
2122232425262728293031
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1203TEM5TER1203TEM5TER1203TEM5
TER experiment: 3D T
TER1401TEM1
20
25
30
35
40
45
50
55
60
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1401TEM1TER1401TEM11401_TEM01_shiftedTER1401TEM1
TER experiment: 3D T
TER1401TEM2
21
23
25
27
29
31
33
35
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1402TEM1TER1402TEM1TER1402TEM1
TER experiment: 3D T
TER1401TEM2
21
23
25
27
29
31
33
35
8-4-07
28-4-
07
18-5-
07
7-6-07
27-6-
07
17-7-
07
6-8-07
26-8-
07
15-9-
07
Time
Tem
pera
ture
[ºC
]
TER1402TEM1TER1402TEM1TER1402TEM1
TER experiment: 3D T
TER1401TEM3
22
24
26
28
30
32
34
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1403TEM1TER1403TEM1TER1403TEM1
TER experiment: 3D T
TER1401TEM4
22
24
26
28
30
32
34
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1404TEM1TER1403TEM1TER1404TEM1
TER experiment: 3D T
TER1401TEM5
2122232425262728293031
17-6-
05
3-1-06
22-7-
06
7-2-07
26-8-
07
13-3-
08
29-9-
08
17-4-
09
3-11-0
9
22-5-
10
Time
Tem
pera
ture
[ºC
]
TER1405TEM1TER1405TEM1TER1405TEM1
Conclusions
The non homogeneous seasonal temperature variation in
the gallery has a non negligible influence. It is important to
keep the sensors in place after dismantling.
Keeping heating during some months is attractive to
investigate the possible influence of the recent low gallery
temperature.
Backanalysis when more info available about skin
temperature and temperature distribution
Application of short cycles