Problem 1: 0.48mm, D30 0.25mm, and D10 For a gravel with D60 coefficient and the coefficient of gradation. Is it a well-graded or poorly graded soil? = = 0.11mm, calculate the uniformity Problem 2: The following values for a sand are given: D10 = 0.3 mm, D30 = 0.41 mm, and D60 Determine Cu and Cc and state if it is a well-graded or a poorly graded soil. = 0.77 mm.

Classify: A sample of well-graded gravel with sand has 73% fine to coarse sub-angular gravel, 23% fine to coarse sub-angular sand, and 4% fines. The maximum size of the particles is 75 mm. The coefficient of curvature is 2.7, while the uniformity coefficient is 12.4.