Determine the percent finer than each sieve and plot a grain size distribution curve.
Determine D10, D30, and D60Effective grain size c. Cu d. Cz Sieve Number Opening (mm) Mass of soil retained (g) No. 4 4.750 28 No. 10 2.000 42 No. 20 0.850 48 No. 40 0.425 128 No. 60 0.250 221 No. 100 0.150 86 No. 200 0.075 40 Pan 24