4.6 Classify the following soils using the Unified classification system: Sieve analysis, % finer Liquid limit Plasticity index Soil No. 4 No. 200 80 52 30 8 79 45 26 91 80 60 32 95 75 41 12 82 41 24 2 Give the group symbols and the group names. ABCDE

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Chapter2: Loads On Structures
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Question
passing
Sieve size
A
D
E
No. 4
94
98
100
100
100
No. 10
63
86
100
100
100
No. 20
100
94
21
50
98
100
No. 40
10
28
93
99
No. 60
No. 100
7
18
88
95
82
14
83
90
66
No. 200
3
10
77
86
45
0.01 mm
65
42
26
0.002 mm
60
47
21
Liquid limit
63
55
36
Plasticity index
NP
NP
25
28
22
References
99
Classify soils 1-6 given in Problem 4.1 using the Unified classification sys-
tem. Give the group symbols and the group names.
Classify the soils given in Problem 4.3 using the Unified classification system.
Give the group symbols and the group names.
Classify the following soils using the Unified classification system:
4.4
4.5
4.6
Sieve analysis, % finer
Liquid
limit
Plasticity
index
Soil
No. 4
No. 200
A
80
52
30
79
45
26
91
80
60
32
95
75
41
12
E
82
41
24
2
Give the group symbols and the group names.
For an inorganic soil, the following grain-size analysis is given:
4.7
U.S.
Percent
sieve no.
passing
4
100
10
90
20
64
40
38
80
18
200
13
For this soil, LL = 23 and PL = 19. Classifv the soil according to
a. the AASHTO soil classification system:
b. the Unified soil classification system. Give group names and group
symbols.
References
AMERICAN ASSOCIATION OF STATE HIGHWAY AND TRANSPORTATION OFFICIALS (1982).
AASHTO Materials, Part I, Specifications, Washington, D.C.
AMERICAN SOCIETY FOR TESTING AND MATERIALS (1999). Annual Book of ASTM Stan-
dards, Sec. 4, Vol. 04.08, West Conshohoken, Pa.
CASAGRANDE, A. (1948). “Classification and Identification of Soils." Transactions, ASCE,
Vol. 113, 901-930.
DHOWIAN, A. W., and EDIL, T. B. (1980). "Consolidation Behavior of Peats." Geotechnical
Testing Journal, ASTM, Vol. 3, No. 3. 105-114.
LIU, T. K. (1967). “A Review of Engineering Soil Classification Systems." Highway Research
Record No. 156, National Academy of Sciences. Washington. D.C.. 1-22.
Transcribed Image Text:passing Sieve size A D E No. 4 94 98 100 100 100 No. 10 63 86 100 100 100 No. 20 100 94 21 50 98 100 No. 40 10 28 93 99 No. 60 No. 100 7 18 88 95 82 14 83 90 66 No. 200 3 10 77 86 45 0.01 mm 65 42 26 0.002 mm 60 47 21 Liquid limit 63 55 36 Plasticity index NP NP 25 28 22 References 99 Classify soils 1-6 given in Problem 4.1 using the Unified classification sys- tem. Give the group symbols and the group names. Classify the soils given in Problem 4.3 using the Unified classification system. Give the group symbols and the group names. Classify the following soils using the Unified classification system: 4.4 4.5 4.6 Sieve analysis, % finer Liquid limit Plasticity index Soil No. 4 No. 200 A 80 52 30 79 45 26 91 80 60 32 95 75 41 12 E 82 41 24 2 Give the group symbols and the group names. For an inorganic soil, the following grain-size analysis is given: 4.7 U.S. Percent sieve no. passing 4 100 10 90 20 64 40 38 80 18 200 13 For this soil, LL = 23 and PL = 19. Classifv the soil according to a. the AASHTO soil classification system: b. the Unified soil classification system. Give group names and group symbols. References AMERICAN ASSOCIATION OF STATE HIGHWAY AND TRANSPORTATION OFFICIALS (1982). AASHTO Materials, Part I, Specifications, Washington, D.C. AMERICAN SOCIETY FOR TESTING AND MATERIALS (1999). Annual Book of ASTM Stan- dards, Sec. 4, Vol. 04.08, West Conshohoken, Pa. CASAGRANDE, A. (1948). “Classification and Identification of Soils." Transactions, ASCE, Vol. 113, 901-930. DHOWIAN, A. W., and EDIL, T. B. (1980). "Consolidation Behavior of Peats." Geotechnical Testing Journal, ASTM, Vol. 3, No. 3. 105-114. LIU, T. K. (1967). “A Review of Engineering Soil Classification Systems." Highway Research Record No. 156, National Academy of Sciences. Washington. D.C.. 1-22.
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