Problem 5 -- Classify the soil to be used as a highway subgrade material using AASHTO classification system; Sieve No. No. 4 No. 10 No. 20 No. 40 No. 60 No. 140 No. 200 Size opening (mm) 4.75 2.00 0.850 0.425 0.250 0.140 0.075 % Finer 100 100 90 72 60 44 30 Liquid limit for soil passing # 40 sieve was determine to be 44% and plasticity index was 24%.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Problem 5 ---
Classify the soil to be used as a highway subgrade
material using AASHTO classification system;
Sieve No.
No. 4
No. 10
No. 20
No. 40
No. 60
No. 140
No. 200
Size
opening
(mm)
4.75
2.00
0.850
0.425
0.250
0.140
0.075
% Finer
100
100
90
72
60
44
30
Liquid limit for soil passing # 40 sieve was determine to
be 44% and plasticity index was 24%.
Transcribed Image Text:Problem 5 --- Classify the soil to be used as a highway subgrade material using AASHTO classification system; Sieve No. No. 4 No. 10 No. 20 No. 40 No. 60 No. 140 No. 200 Size opening (mm) 4.75 2.00 0.850 0.425 0.250 0.140 0.075 % Finer 100 100 90 72 60 44 30 Liquid limit for soil passing # 40 sieve was determine to be 44% and plasticity index was 24%.
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