EXAMPLE 1: Following are the results of a sive analysis: a)Determine the percent finer than each sieve size and plot a Grain Size Distribution Curve (GSDC b)Determine D10, D30, and D60 from the GSDC c) Calculate uniformity coefficient (Cu) d) Calculate Gradation coefficient (Cc)

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Problem 1: Inputs: ● A = (3, 3) ft B = (9, 12) ft C=(3, 1) ft D = (9, 6) ft this Compute the centroid of the shaded region. For problem you must use the integral method. We will check our answers using another method in the next problem. a) Computex using integrals b) Compute y using integrals y A C y B D X