Required only: #7, #9, and #12
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Required only: #7, #9, and #12

Transcribed Image Text:Required only: soils # 1, 4, 5, 8, 10, 11
Problem #1
Classify the following six soils using the AASHTO
classification system and calculate the corresponding group
indexes:
Sieve Analysis
(percent finer)
No. No. 10 No. 40 No. 200 Limit Limit
Soil
Liquid Plastic
1
49
25
2
-- NP
100
80
5
NP
88
52
50
25
18
4
80
25
12
28
20
100
90
75
54
22
6.
88
74
30
39
15
Problem #2
Classify the following six soils using the Unified Soil
Classification System and provide the group symbols and group
names:
Sieve Analysis
Soil (percent finer) Liquid Plastic
No. No. 4 No. 200 Limit Limit
Comments
7
100
90
55
15
8
100
98
48
20
9.
68
52
25
22
10
85
72
40
32
11
80
3
NP C = 5.0 and C, = 0.5
12
95
8
23
10 C = 7.5 and C, - 2.0
%3D
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