What is the role of impact force in the soil compaction process?

Explanation:

Impact force is used in the soil compaction process to achieve a dense and strong soil structure. When a heavy weight (e.g., a compactor or rammer) is repeatedly dropped onto the soil, it generates an impact force. This sudden compression helps to:

• Reduce void spaces: The particles of the soil are forced closer together, decreasing the air gaps between them, which makes the soil denser and more stable.

• Increase soil strength: By reducing the void spaces and compacting the soil particles, the soil's overall strength increases, making it more stable for supporting structures.

 Additional InformationSoil compaction:

1. Purpose: Soil compaction is done to increase the soil's density and stability by reducing the void spaces between soil particles.

2. Impact Force: It involves the application of impact force (such as from a rammer or roller) to compress the soil, which reduces air gaps and increases the soil’s load-bearing capacity.

3. Types of Compaction:

   • Static Compaction: Achieved by applying continuous pressure, commonly used in heavy machinery like rollers.

   • Dynamic Compaction: Achieved by applying a force in the form of impacts or vibrations.

4. Effects on Soil: Proper compaction improves the soil's strength, reduces permeability, prevents settlement, and ensures that the soil is capable of supporting structures.

5. Applications: Soil compaction is essential in construction, particularly for foundations, roads, and embankments, where a stable and firm base is required.