Classify the following soils using the Unified soil classification system. Give group ymbols and group names. Sieve analysis (percent finer) Soil No. Liquid Plasticity No. 4 No. 200 limit limit Comments

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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choose 3 from problem to classify

5.3
Classify the following soils using the Unified soil classification system. Give group
symbols and group names.
Sieve analysis
(percent finer)
Soil
Liquid
limit
Plasticity
No.
No. 4
No. 200
limit
Comments
1
94
3
NP
C, = 4.48 andC. = 1.22
2
100
77
63
25
3
100
86
55
28
4
100
45
36
22
5
92
48
30
8.
6.
60
40
26
4
7
99
76
60
32
Transcribed Image Text:5.3 Classify the following soils using the Unified soil classification system. Give group symbols and group names. Sieve analysis (percent finer) Soil Liquid limit Plasticity No. No. 4 No. 200 limit Comments 1 94 3 NP C, = 4.48 andC. = 1.22 2 100 77 63 25 3 100 86 55 28 4 100 45 36 22 5 92 48 30 8. 6. 60 40 26 4 7 99 76 60 32
Table B Classification of Soils and Soil-Aggregate Mixtures
Granular Materials
(35 Percent or Less Passing 0.075 mm)
Silt-Clay Materials (More than
35 Percent Passing 0.075 mm)
General Classification
A-1
A-2
A-7
A-7-5.
Group Classification
А-1-а
A-1-b
A-3
A-2-4
А-2-5
A-2-6
A-2-7
A-4
A-5
А-б
А-7-6
Sieve analysis, percent passing:
2.00 mm (No. 10)
0.425 mm (No. 40)
0.075 mm (No. 200)
50 max
30 max
50 max
51 min
15 max
25 max
10 max
35 max
35 max
35 max
35 max
36 min
36 min
36 min
36 min
Characteristics of fraction
passing 0.425 mm (No. 40)
Liquid limit
Plasticity index
40 max
10 max
41 min
40 max
41 min
40 max
41 min
40 max
41 min
6 max
N.P.
10 max
11 min
Il min
10 max
10 max
1l min
11 min
Stone fragments,
gravel and sand
Fine
Usual types of significant
constituent materials
sand
Silty or clayey gravel and sand
Silty soils
Clayey soils
General ratings as subgrade
Excellent to good
Fair to poor
| |
Transcribed Image Text:Table B Classification of Soils and Soil-Aggregate Mixtures Granular Materials (35 Percent or Less Passing 0.075 mm) Silt-Clay Materials (More than 35 Percent Passing 0.075 mm) General Classification A-1 A-2 A-7 A-7-5. Group Classification А-1-а A-1-b A-3 A-2-4 А-2-5 A-2-6 A-2-7 A-4 A-5 А-б А-7-6 Sieve analysis, percent passing: 2.00 mm (No. 10) 0.425 mm (No. 40) 0.075 mm (No. 200) 50 max 30 max 50 max 51 min 15 max 25 max 10 max 35 max 35 max 35 max 35 max 36 min 36 min 36 min 36 min Characteristics of fraction passing 0.425 mm (No. 40) Liquid limit Plasticity index 40 max 10 max 41 min 40 max 41 min 40 max 41 min 40 max 41 min 6 max N.P. 10 max 11 min Il min 10 max 10 max 1l min 11 min Stone fragments, gravel and sand Fine Usual types of significant constituent materials sand Silty or clayey gravel and sand Silty soils Clayey soils General ratings as subgrade Excellent to good Fair to poor | |
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