Q10. Determine the percentages of gravel, sand, silt and clay for each soil shown in Figure Q10 in accordance with the USCS classification (i.e., for soils A, B, and C). Calculate the uniformity coefficient Cu and the coefficient of gradation Cc. Classify the 3 soils using the USCS classification system. (Soil B: LL-32, PL=20. Soil C: LL=60, PI=30) Percent passing (finer than) by weight (or mass) 100 80 60 90 20 0 0.001 0.01 (U.S. Standard sieve) 40 No. 200 100 0.1 A 10 4 10 in, 3 in. 100 O 20 40 80 Percent retained (coarser than) by weight (or mass) 100
Q10. Determine the percentages of gravel, sand, silt and clay for each soil shown in Figure Q10 in accordance with the USCS classification (i.e., for soils A, B, and C). Calculate the uniformity coefficient Cu and the coefficient of gradation Cc. Classify the 3 soils using the USCS classification system. (Soil B: LL-32, PL=20. Soil C: LL=60, PI=30) Percent passing (finer than) by weight (or mass) 100 80 60 90 20 0 0.001 0.01 (U.S. Standard sieve) 40 No. 200 100 0.1 A 10 4 10 in, 3 in. 100 O 20 40 80 Percent retained (coarser than) by weight (or mass) 100
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Q10.
Determine the percentages of gravel, sand, silt and clay for each soil shown in
Figure Q10 in accordance with the USCS classification (i.e., for soils A, B, and C).
Calculate the uniformity coefficient Cu and the coefficient of gradation Cc. Classify
the 3 soils using the USCS classification system. (Soil B: LL-32, PL=20. Soil C:
LL=60, PI=30)
Percent passing (finer than)
by weight (or mass)
100
80
60
90
20
0
0.001
0.01
(U.S. Standard sieve)
40
No. 200 100
0.1
A
10
4
10
in,
3 in.
100
0
20
9
80
Percent retained (coarser than)
by weight (or mass)
100
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