Grain Size Analysis Laboratory Test Given: A 2,043 gram soil sample is brought to the lab for a grain size analysis. The results of the analysis are: Grain Size Analysis Sieve No. Sieve Mass of Mass of Mass of Percent Opening Sieve (g) Sieve and Size (mm) Soil Retained(g) Soil Retained of Total Sample (g) Passing 3/8" 9.5 566 598 32 4 4.75 511 581 70 10 2 433 535 102 20 0.85 416 547 131 40 0.425 399 688 289 60 0.25 370 705 335 100 0.15 354 754 400 120 0.125 345 667 322 200 0.075 326 591 265 PAN 380 477 97 Σ =

Fig: 1