A standard penetration test was carried out in a normally consolidated sand at 7.62 m depth where the N₆₀ was determined to be 28. The unit weight of the sand is 17.29 kN/m³, and the grain-size distribution suggests that D₅₀ = 1.2 mm and C_u = 3.2. The age of the soil since deposition is approximately 5000 years. Determine the relative density using the different correlations discussed in Section 3.15 [i.e., Eqs. (3.21), (3.22), (3.23), (3.24), and (3.28)].

Eqs. (3.21)

Eqs. (3.22)

Eqs. (3.23)

Eqs. (3.24)

Eqs. (3.28)

Transcribed Image Text:

10.5 D,(%) = 12.2 + 0.75 222N60 + 2311 – 7110CR – 779 Pa 50C2