this post is basically about the soil structures and it different types with graphical representation of each type.
Soil structure is a geometrical arrangement of particles in a soil mass. The behavior of soil depends on it.
The type of soil structure depends on various parameters, but mainly on the particle size and mode of formation. The different types of structure are as follows:
The particle shape is spheres, and mainly present in gravels and sand. The loosest and densest packaging of this structure is shown in the figure. The void ratio for the loosest state is 0.91, and that of the densest state is 0.35.
This type of structure is present in fine sands or silts. When we use this type of structure for construction, the structure collapses and large deformation takes place under vibrations and shocks.
Different types of soil structure
It is mainly found in clays and formed when there is a net attractive force between different particles. The orientation of this type of structure is an edge to face as shown in the figure. It has very high shear strength, low compressibility and high permeability.
It occurs in remoulded clays. The orientation in this type of structure is face to face as shown in the figure. The shear strength and permeability are very low but have high compressibility strength. This formation of this type of structure occurs when there is net repulsive force.
This soil structure contains different types of particles in it.
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