1. The following are the results of a sieve analysis: U.S. Sieve No. Mass of Soil Retained on each Sieve (g) 4 10 25.2 20 40.2 40 70.3 60 81.8 100 64.1 200 34.2 Pan 14.3 Determine the percent finer than each sieve size. (Enter your answers to three significant figures.) Percent finer () a. U.S. Sieve No. 4 10 20 40 60 100 200 pan From the graph D60= 0.44 ; D30= 0.22 ; D10= 0.13 . b. Calculate the uniformity coefficient, Cu. c. Calculate the coefficient of gradation, Cc.
1. The following are the results of a sieve analysis: U.S. Sieve No. Mass of Soil Retained on each Sieve (g) 4 10 25.2 20 40.2 40 70.3 60 81.8 100 64.1 200 34.2 Pan 14.3 Determine the percent finer than each sieve size. (Enter your answers to three significant figures.) Percent finer () a. U.S. Sieve No. 4 10 20 40 60 100 200 pan From the graph D60= 0.44 ; D30= 0.22 ; D10= 0.13 . b. Calculate the uniformity coefficient, Cu. c. Calculate the coefficient of gradation, Cc.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:1. The following are the results of a sieve analysis:
U.S. Sieve No.
Mass of Soil Retained on each Sieve (g)
4
10
25.2
20
40.2
40
70.3
60
81.8
100
64.1
200
34.2
Pan
14.3
a. Determine the percent finer than each sieve size.
(Enter your answers to three significant figures.)
Percent finer ()
U.S. Sieve No.
4
10
20
40
60
100
200
pan
From the graph D60= 0.44 ; D30= 0.22 ; D10= 0.13 .
b. Calculate the uniformity coefficient, Cu .
c. Calculate the coefficient of gradation, Cc.
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