Dispersed type of soil structure is an arrangement comprising particles havinga)face to face or parallel orientationb)edge to edge orientationc)edge to face orientationd)all of the aboveCorrect answer is option 'A'. Can you explain this answer?

Question

Answer

Dispersed Type of Soil Structure

Definition: Dispersed type of soil structure refers to an arrangement of soil particles where they are dispersed or separated from each other due to the presence of excess electrolytes.

Orientation of Particles

The dispersed type of soil structure is characterized by the orientation of the soil particles, which is:

- Face to face orientation: In this arrangement, the soil particles are oriented in such a way that their flat surfaces are facing each other. This results in a very dense and impermeable structure.
- Parallel orientation: In this arrangement, the soil particles are oriented parallel to each other. This type of structure has low permeability and is prone to erosion.
- Edge to edge orientation: In this arrangement, the soil particles are oriented in a way that their edges are facing each other. This type of structure is also dense and has low permeability.
- Edge to face orientation: In this arrangement, the soil particles are oriented in a way that their edges are facing the flat surfaces of other particles. This type of structure is less dense and has higher permeability compared to the other orientations.

Conclusion

In conclusion, the dispersed type of soil structure is characterized by the orientation of soil particles, which can be face to face, parallel, edge to edge, or edge to face. This structure is formed due to the presence of excess electrolytes, which separate the particles from each other. The dispersed type of soil structure has low permeability and is prone to erosion.

Answer

In case of Dispersed structure E (electrical force) is greater than G (gravitational force)

* if E is repulsive than we get Dispersed structure of low permeable , low strength and high compressiblility

*if E is attractive than we get flocculant structure of high permeable , high strength and low compressibility

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