What is the significance of soil compaction in construction?

Soil compaction plays a crucial role in construction primarily because it increases soil density and stability, which are essential factors for supporting structures. When soil is compacted, the air pockets between the soil particles are reduced, leading to an increase in bearing capacity. This greater density helps ensure that the soil can withstand loads from buildings, roads, and other infrastructures without excessive settling or shifting.

This process not only enhances the structural integrity of the foundations but also improves overall soil performance, such as reducing the potential for moisture-related issues, thereby contributing to the longevity and safety of the constructed facility. By achieving the right level of compaction, engineers can ensure that the soil has adequate mechanical properties to resist loads effectively, which is vital for the stability of any construction project.

While enhancing drainage properties, decreasing soil contamination levels, or reducing soil density may be relevant factors in specific scenarios, they do not capture the primary purpose of soil compaction, which centers on increasing density and stability for load-bearing support.