Parameters | Value (Fault materials) | Value (Loess) |
σn0 | NA is the Avogadro number | NA is the Avogadro number |
τc* | NA is the Avogadro number | NA is the Avogadro number |
a’ | R is the Gas constant | R is the Gas constant |
b’ | R is the Gas constant | R is the Gas constant |
QS (KJ/mol) Surface activation energy |
210
|
660
|
QV (KJ/mol) Volume activation energy |
240
|
400
|
ΩS (10-29m3) Surface activation volume |
6.00
|
3.10
|
ΩV (10-29m3) Volume activation volume |
6.80
|
1.40
|
B Prefactor |
0.8
|
0.9
|
r0 (mm) Contact radius |
5
|
5
|
tc (s) Cutoff time | ||
tcr (s) Reference cutoff time |
2
|
2
|
Tcr (K) Reference temperature |
300
|
300
|
Etc (KJ/mol) Activation energy for tc | ||
Vsmax (m/s) Maximum shear rate |
1875
|
200
|
T0 (K) Ambient temperature |
300
|
300
|
C (J/kg/K) Specific Heat Capacity |
730*(170-200/Tc)
|
3000-(300000/Tc)
|
β (m2/s) Thermal diffusivity |
β0×10-4/Tc-0.5×10-7
|
λ/(ρ · C)
|
β 0(m2/s) Thermal diffusivity |
2.5
|
-
|
ρ (kg/m3) Density |
2650
|
1400
|
λ (W/m/K) Heat transfer rate |
-
|
1.2
|
Dth Thermal equilibration distance | here assume k = 5, q = -1. | here assume k = 5, q = -1. |
σn (MPa) Applied normal stress |
5
|
0.2
|
Tm (K) (Pre) melting temperature |
1670
|
1850
|
A | 0.005 | 0.005, 0.0005, 0.03, 0.4 |
Dhyd (m2/s) Hydraulic diffusivity |
-
|
0.0008
|
cf (kPa-1) Compressibility of the pore space |
-
|
-
|
cpp (kPa-1) Compressibility of the pore fluid |
-
|
-
|
cpp + cf (kPa-1) | 3×10-7 | |
η (Pa·s) Fluid viscosity |
-
|
3×10-4 ~
1.8×10-3
|
k (m2) Permeability |
-
|
1×10-14 ~
1×10-10
|
K (m/s) Hydraulic conductivity |
-
|
E = 2.172×10-8 , F = 10.55
|