What is the calculation for unit wet weight?

• A. Wt / Vt
• B. Ws / Vt
• C. Ww / Vs
• D. Ww / Va

Answer: (A)

The calculation for unit wet weight is determined by dividing the weight of the wet material (Wt) by the total volume of the material (Vt). In this context, Wt represents the weight of the saturated soil, which includes both the solid particles and the water content present in the voids, while Vt refers to the total volume occupied by the soil, including the volume of the solid particles and the volume of water.

This definition helps practitioners in soil science and civil engineering to assess the overall mass of soil when it's in a saturated state, which is crucial for understanding how it will behave under different conditions, especially during construction projects or when analyzing soil stability. The emphasis on total volume in the denominator ensures a proper calculation of density in terms of the full mass that affects structural load and drainage behavior.