Repeat Problem 2.3 with the following data:
U.S. sieve no. Mass of soil retained on each sieve (g)
4..................................................0
6..................................................0
10................................................0
20..............................................9.1
40...........................................249.4
60...........................................179.8
100...........................................22.7
200...........................................15.5
Pan...........................................23.5
a. Determine the percent finer than each sieve and plot a grain-size distribution curve.
b. Determine D10, D30, and D60 from the grain-size distribution curve.
c. Calculate the uniformity coefficient, Cu.
d. Calculate the coefficient of gradation, Cc.