Soil Chart 
Use the soil classification chart below to identify the basic properties of the soil at the site.
| Soil Classification |
| Soil Type |
Friction Angle (Ref) |
Bearing Capacity |
Equivalent Fluid Pressure |
| Clay |
27° |
119.700kPa
|
7.9kN/m³
|
| Mixed Soils |
32° |
167.580kPa
|
5.5kN/m³
|
| Sand/Gravel |
36° |
191.520kPa
|
4.7kN/m³
|
|
| Typical Friction Angle and Soil Unit Weights Compacted to 95% Standard Proctor |
| Soil Type |
Soil Friction Angle |
Soil Unit Weight (pcf) |
| Crushed Stone, Gavel |
34° + |
110-135 |
| Clean Sands |
32 - 34° |
100-130 |
| Silty Sands/Sandy Silt |
28 - 30° |
110-125 |
| Sandy Clay |
26 - 28° |
100-120 |
| Other Soils |
Determined by testing |
