Deformation Monitoring of Geomechanical Model Test and Its Application in Overall Stability Analysis of a High Arch Dam
Table 1
Main physical and mechanical parameters of the prototype and model materials.
Types of material
(103 MPa)
(MPa)
(MPa)
(MPa)
Arch dam concrete
0.17
24
1.4
2.0
0.17
80.00
1.4
0.0067
(natural foundation)
Arch dam concrete
0.17
34
1.7
5.0
0.17
113.33
1.7
0.0167
(reinforcement foundation)
Replacement concrete
0.17
31
1.5
3.5
0.17
103.33
1.5
0.0117
II class of rock mass
0.2
26.5
1.35
2
0.2
88.33
1.35
0.0067
III1 class of rock mass
0.25
12
1.07
1.5
0.25
40.00
1.07
0.0050
III2 class of rock mass
0.27
8
1.02
0.9
0.27
26.67
1.02
0.0030
IV1 class of rock mass
0.3
3.5
0.7
0.6
0.3
11.67
0.7
0.0020
IV2 class of rock mass
0.3
2.5
0.6
0.4
0.3
8.33
0.6
0.0013
V1 class of rock mass
0.3
0.45
0.3
0.02
0.3
1.50
0.3
0.0001
Fault f2
0.38
0.4
0.3
0.02
0.38
0.0013
0.3
0.0001
(compressive zone g)
Fault f5
0.38
0.4
0.3
0.02
0.38
0.0013
0.3
0.0001
Fault f42-9
0.38
0.4
0.3
0.02
0.38
0.0013
0.3
0.0001
Lamprophyre dike X (fresh)
0.28
6.5
0.9
0.64
0.28
0.0217
0.9
0.0021
Lamprophyre dike X (weathering)
0.30
3.0
0.4
0.065
0.30
0.0100
0.4
0.0002
Fault f13
0.38
0.8
0.3
0.02
0.38
0.0027
0.3
0.0001
Fault f14
0.38
0.5
0.3
0.02
0.38
0.0017
0.3
0.0001
Fault f18
0.38
0.5
0.3
0.02
0.38
0.0017
0.3
0.0001
Greenschist lens
0.30
3.0
0.6
0.15
0.30
0.0100
0.6
0.0005
Note: ① , , , and are Poisson's ratio, deformation modulus, friction coefficient, and cohesion, respectively; ② the subscript represents a similarity model and the subscript represents a prototype.
