The Soil table for the Global and Detailed models (check the filter) contains several parameters.
The user can add new rows to the soil table or change the properties of the soil
NOTE: The state parameter Ψ5m entered per layer is used only in step 1 of the Global check to determine the thickness of the sensitive layer(s) Hvw.
The description of all these parameters can be found on the symbol list
Soil parameters (per layer) for all models
Name in English | Name in Dutch | Description | Symbol | Unit | Default + decimals + (range) | Used in Model
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Name | Naam | Material name |
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| All |
Color | Kleur | Material color |
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| All
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Description | Beschrijving | A short description of the material can be given |
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| All |
Soil type | Grondtype | Soil type is used to determine if the material is sensitive to liquefaction |
| Boolean |
| All |
Unit weight of grains | Volume gewicht van korrels | Unit weight of grains | γsand | kN/m3 | 26.50 (20-30) | HMBreach/ Sliq2D |
Friction angle | Hoek van inwendige wrijving | Angle of internal friction | Phi | grad. | 0.0 (0-89) | HMBreach/ Sliq2D |
State parameter over 5m | State parameter over 5 m | Lowest average state parameter over 5m (cumulative) between water level and 0,5 times the channel depth below the bottom of the channel. Only used in step 1 of the Global check to determine Hvw (thickness of the sensitive layers). | Psi 5m | 0.0000 (-10-10) | Global | |
Fine diameter D15 | Fijne diameter D15 | Grain size: (D15 <D50) | D15 | micro m | 0.0 (30-2000) + (D15 <D50) | Global/ HMBreach
|
Median diameter D50 | Gemiddelde diameter D50 | Median grain size | D50 | micro m | 0.0 (30-2000) (D15 <D50) | Global/Detailed HMBreach |
Minimum porosity | Minimale porositeit | Minimum porosity, nmin < nmax | nmin |
| 0.00 (0.30-0.60) | HMBreach/ Sliq2D |
Maximum porosity | Maximale porositeit | Maximum porosity, n min < nmax | nmax |
| 0.00 (0.30-0.60) | HMBreach/ Sliq2D |
Porosity | Porositeit | Porosity, note: n min < n < nmax | n |
| 0 (0.30-0.60) | HMBreach/ Sliq2D |
Evoldm0 | Evoldm0 | Value of εvol;dm at mean effective stress p0. | εvol;dm0 | – | 0.00 (0.0003-0.03) | Sliq2D |
s2 | s2 | Value of s at maximum contraction | s2 | – | 1.30 (1.1-1.4) | Sliq2D |
Ks0 | Ks0 | Value of Ks at average stress p0' | Ks0 | kN/m2 | 50000. (10000-140000) | Sliq2D |
m | m | Parameter describing f(s), defined in equation: f(s) = A sm – B sr / (smax – s) | m | – | 2.00 (1.5-3.0) | Sliq2D |
r | r | Parameter describing f(s), defined in equation: f(s) = A sm – B sr / (smax – s) | r | – | 7.0 Fixed value | Sliq2D |
u | u | Parameter describing the influence of p’ on Ks defined in equation: Ks = Ks0 (p' / p0')u | u | – | 1.00 (0.5-1.5) | Sliq2D |
v | v | Parameter describing the influence of p'CON on εvoldm, defined in equation: εvol;dm = εvol;dm0 (pCON' / p0')v | v | – | 1.25 (0.5-1.5) | Sliq2D |
Permeability | Permeability | The calculated permeability during the Advanced Breaching calculation (HMBreach), available only for sand layers. | k | HMBreach |