2. How much coarse-grained and fine-grained soils are in each soil?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
CEN 333 Geotechnical

Transcribed Image Text:2. How much coarse-grained and fine-grained soils are in each soil?
3. What are the percentages of clay and silt in each soil according to USCS.
4. Determine the effective diameter for each soil.
5. Determine the coefficient of gradation and the coefficient of uniformity for each soil.
6. Classify each soil.

Transcribed Image Text:Sieve
opening
mm)
weight %weight Cumilati
retained retained ve %
% finer weight %weight Cumilati
retained retained ve %
% finer
Soil A
Soil B
4.75
0.00
100
100
2
20.2
4.04
4.04
95.96
48.1
9.62
9.62
90.38
0.85
25.7
5.14
9.18
90.82
219.5
43.92
53.54 46.46243
0.425
60.4
12.08
21.26
78.74
67.3
13.47
67.00 32.99705
0.15
98.1
19.63
40.88
59.12
137.2
27.45
94.45 5.546066
0.075
127.2
25.45
66.33
33.67
22.1
4.42
98.88 1.124298
0.05
22.6
1
0.01
13.8
0.9
0.005
12.2
0.8
0.002
5
0.5
Step 3 Gradation curve
Gradation curve is as shown below
Gradation curve
120
100
80
60
Soil A
Soil B
40
20
0.001
0.01
1
10
sieve size (mm)
% finer
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