The sieve analysis of ten soils and the liquid and plastic limits of the fraction passing through the No. 40 sieve are given below. Classify the soils by the AASHTO classification system and give the group index for each soil. Soil 1 98 2 100 3 100 4 85 92 97 100 94 83 100 5 6 Sieve analysis-Percent finer No. 10 No. 40 No. 200 7 8 9 10 80 92 88 55 75 60 55 80 48 92 50 80 65 45 62 30 8 63 20 86 Liquid limit Plasticity index 38 56 37 28 43 25 40 20 70 29 23 22 20 28 16 NP 21 15 38

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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5.4 The sieve analysis of ten soils and the liquid and plastic limits of the fraction
passing through the No. 40 sieve are given below. Classify the soils by the
AASHTO classification system and give the group index for each soil.
Soil
1
2
3
4
5
6
7
8
9
10
Sieve analysis-Percent finer
No. 10
No. 40
No. 200
98
100
100
85
92
97
100
94
83
100
80
92
88
55
75
60
55
80
48
92
K
50
80
65
45
62
30
8
63
20
86
Liquid limit Plasticity index
38
56
37
28
43
25
40
20
70
29
23
22
20
28
16
NP
21
15
38
Transcribed Image Text:5.4 The sieve analysis of ten soils and the liquid and plastic limits of the fraction passing through the No. 40 sieve are given below. Classify the soils by the AASHTO classification system and give the group index for each soil. Soil 1 2 3 4 5 6 7 8 9 10 Sieve analysis-Percent finer No. 10 No. 40 No. 200 98 100 100 85 92 97 100 94 83 100 80 92 88 55 75 60 55 80 48 92 K 50 80 65 45 62 30 8 63 20 86 Liquid limit Plasticity index 38 56 37 28 43 25 40 20 70 29 23 22 20 28 16 NP 21 15 38
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