2.13: Nomenclature
- Page ID
- 33360
a, \(\ \tau_\mathrm{a}\) |
Adhesion or external shear strength |
kPa |
c, \(\ \tau_\mathrm{c}\) |
Cohesion or internal shear strength |
kPa |
f |
Function |
- |
F |
Horizontal force |
kN |
Fh |
Horizontal force on soil element |
kN |
Fv |
Verical force on soil element |
kN |
Fn |
Normal force on soil element |
kN |
Fs |
Shear force on soil element |
kN |
g |
Gravitational constant (9.81) |
m/s2 |
G |
Gravitational vertical force |
kN |
h |
Height of the dam/soil |
m |
Ka |
Coefficient of active failure |
- |
Kp |
Coefficient of passive failure |
- |
N |
Force normal to the shear plane |
kN |
S |
Shear force on the shear plane |
kN |
α |
Orientation of shear plane (Mohr circle) |
rad |
β |
Angle of the shear plane (active & passive failure) |
rad |
δ |
External friction angle or soil/interface friction angle |
rad |
φ |
Internal friction angle |
rad |
σ |
Normal stress |
kPa |
σh |
Horizontal normal stress (principal stress) |
kPa |
σv |
Vertical normal stress (principal stress) |
kPa |
σin |
Internal normal stress |
kPa |
σex |
External normal stress or soil interface normal stress |
kPa |
\(\ \tau\) |
Shear stress |
kPa |
\(\ \tau_{\text {in }}\) |
Internal shear stress |
kPa |
\(\ \tau_{\text {ex }}\) |
External shear stress or soil interface shear stress |
kPa |
ρg |
Density of the soil |
ton/m3 |
μin |
Internal friction coefficient |
- |
μex |
External friction coefficient |
- |