What does the wet density of the soil include?

The wet density of soil encompasses the components of solids, liquids (water), and air. When measuring the wet density, one considers the total mass of the soil, which includes the weight of soil particles (solids), any water present in the pores of the soil (liquid), and the space occupied by air within those pores. This comprehensive understanding is vital for various engineering calculations and soil assessments, as it reflects the actual condition of the soil when water content influences its behavior and structural integrity.

The inclusion of air and water in this measurement is important because changes in moisture content can significantly affect the performance of soil in real-world applications, such as construction and agricultural practices. Understanding wet density allows professionals to evaluate how soil will behave under different conditions, influencing decisions in project planning and execution.