1 For a soil with D60 0 43 mm D30 0 22mm and D 0 0 06 mm

Last updated: 9/13/2023

1 For a soil with D60 0 43 mm D30 0 22mm and D 0 0 06 mm calculate the uniformity coefficient and the coefficient of gradation 2 The following are the results of a sieve and hydrometer analysis Size mm 0 425 0 033 0 018 0 01 0 0062 0 0035 0 0018 0 0001 Percent Finer 100 90 80 70 60 50 40 35 a Draw the grain size distribution curve b Determine the percentages of gravel sand silt and clay according to the AASHTO system