9% of a soil is retained on No. 4 sieve, and 11% passes the No. 200 sieve. It is also known that 10%, 30%, and 60% of the soil is smaller than 0.1 mm, 0.8 mm, and 1.9 mm, respectively. When Atterberg limit tests are conducted, it is found that the liquid limit is 32 and the plastic limit is 27. Classify this soil according to the Unified soil classification system and give the group symbol and group name.
9% of a soil is retained on No. 4 sieve, and 11% passes the No. 200 sieve. It is also known that 10%, 30%, and 60% of the soil is smaller than 0.1 mm, 0.8 mm, and 1.9 mm, respectively. When Atterberg limit tests are conducted, it is found that the liquid limit is 32 and the plastic limit is 27. Classify this soil according to the Unified soil classification system and give the group symbol and group name.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
Please answer soil 4 and soil 12 from 5.4
and 5.6
Transcribed Image Text:Classify the following soils using the Unified soil classifica-
tion system. Give the group symbols and the group names.
5.4
Sieve analysis–
Percent finer
Liquid Plasticity
limit
Soil No. 4
No. 200
index
Cu C.
.
1
70
30
33
21
2
48
20
41
22
3
95
70
52
28
4
100
82
30
19
5
100
74
35
21
6.
87
26
38
18
7
88
78
69
38
8.
99
57
54
26
9.
71
11
32
16
4.8 2.9
10
100
2
NP
7.2 2.2
11
89
65
44
21
12
90
8.
39
31
3.9 2.1
Transcribed Image Text:9% of a soil is retained on No. 4 sieve, and 11% passes the
No. 200 sieve. It is also known that 10%, 30%, and 60%
of the soil is smaller than 0.1 mm, 0.8 mm, and 1.9 mm,
5.6
respectively. When Atterberg limit tests are conducted, it is
found that the liquid limit is 32 and the plastic limit is 27.
Classify this soil according to the Unified soil classification
system and give the group symbol and group name.
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