What is the significance of moisture content in aggregate testing?

Moisture content in aggregate testing is significant because it directly influences the strength, durability, and compaction of the base material used in construction. When aggregates are mixed with water to form a base material, the proportion of moisture has a profound impact on the material's properties.

If the moisture content is too high or too low, it can hinder the compaction process, leading to inadequate densification of the material. Proper compaction is vital to ensure that the base material performs well under traffic loads, providing the necessary support and stability. Additionally, the moisture content affects how well the aggregate binds to other materials, impacting the overall durability and longevity of the construction.

Understanding the moisture content helps technicians adjust the mixture appropriately during the construction process, ensuring the project meets engineering requirements and performs optimally over time.