PROBLEM No. 2 The properties of six different clayey soils are shown below based from a series of Atterberg Limit tests and Hydrometer tests. Complete the table by determining the plasticity index, PI, and activity, A of each soil. Also, classify each soil based on the activity, A (inactive, normal, active). Lastly, determine the probable clay mineral composition (Kaolinite, Illite, Montmorillonite) of each soil based on the activity, A. Probable Clay % clay fraction Activity Activity Classification Mineral Composition LL PL Soil PI % A 1 100 25 50 88 64 72 77 23 92 4 120 35 60 75 10 85 90 27 58 3.
PROBLEM No. 2 The properties of six different clayey soils are shown below based from a series of Atterberg Limit tests and Hydrometer tests. Complete the table by determining the plasticity index, PI, and activity, A of each soil. Also, classify each soil based on the activity, A (inactive, normal, active). Lastly, determine the probable clay mineral composition (Kaolinite, Illite, Montmorillonite) of each soil based on the activity, A. Probable Clay % clay fraction Activity Activity Classification Mineral Composition LL PL Soil PI % A 1 100 25 50 88 64 72 77 23 92 4 120 35 60 75 10 85 90 27 58 3.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![PROBLEM No. 2
The properties of six different clayey soils are shown below based from a series of
Atterberg Limit tests and Hydrometer tests.
Complete the table by determining the plasticity index, PI, and activity, A of each soil.
Also, classify each soil based on the activity, A (inactive, normal, active). Lastly,
determine the probable clay mineral composition (Kaolinite, Illite, Montmorillonite) of
each soil based on the activity, A.
% clay
Activity
Classification
Probable Clay
Mineral Composition
LL
PL
Activity
Soil
PI
%
%
fraction
A
1
100
25
50
2
88
64
72
3
77
23
92
4
120
35
60
75
10
85
6.
90
27
58](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6769e9eb-e5d7-493f-828e-186efef09cdb%2F8551a1e2-aba0-4021-9fd2-82b24108bda1%2F1dscli_processed.jpeg&w=3840&q=75)
Transcribed Image Text:PROBLEM No. 2
The properties of six different clayey soils are shown below based from a series of
Atterberg Limit tests and Hydrometer tests.
Complete the table by determining the plasticity index, PI, and activity, A of each soil.
Also, classify each soil based on the activity, A (inactive, normal, active). Lastly,
determine the probable clay mineral composition (Kaolinite, Illite, Montmorillonite) of
each soil based on the activity, A.
% clay
Activity
Classification
Probable Clay
Mineral Composition
LL
PL
Activity
Soil
PI
%
%
fraction
A
1
100
25
50
2
88
64
72
3
77
23
92
4
120
35
60
75
10
85
6.
90
27
58
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