Typical Values of Permeability for Different Soils

Typical Values of Permeability for Different Soils

The permeability or coefficient of permeability can be defined as the rate of flow of water through a unit cross-sectional area of the soil under a unit hydraulic gradient at a temperature of [latex]10^{\circ}[/latex]C. Typical values of permeability or coefficient of permeability for different soils are as follows:

Sl. No.Different Types of SoilTypical Value of Permeability
1.Gravel101 to 1 (100)
2. Coarse sand100 to 10-1
3.Medium sand10-1 to 10-2
4. Fine sand10-2 to 10-3
5.Silty sand10-3 to 10-4
6.Delhi silt7 X 10-5
7. Boston blue clay6 X 10-7
8.London clay1.5 X 10-9

Read More:

Permeability of Soil

Factors Affecting Permeability

5 Empirical Formula for determination of the coefficient of Permeability

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