The given data shows a sieve analysis of a soil sample. Classify the soil using AASHTO Method. Tables are provided below. Sieve No. Diameter (mm) Percent Passing No. 4 No. 8 No. 10 No. 20 No. 40 4.760 96 2.380 80 2.000 78 0.840 61 0.420 56 No. 60 No. 100 No. 200 0.250 48 0.150 39 0.075 33 Characteristics of No. 40 Fraction LL 45 PL 36

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Usual types of
significant
constituent
Stone fragments,
gravel, and sand
Fine
Silty or clayey gravel and sand
sand
materials
General subgrade
rating
Excellent to good
General classification
Silt-clay materials (more than 35% of total sample passing No. 200)
A-7
A-7-5
A-7-6
Group classification
A-4
A-5
A-6
Sieve analysis (percent passing)
No. 10
No. 40
No. 200
36 min.
36 min.
36 min.
36 min.
Characteristics of fraction
passing No. 40
Liquid limit
Plasticity index
40 max.
10 max.
41 min.
10 max.
40 max.
41 min.
11 min.
11 min.
Usual types of significant
constituent materials
Silty soils
Clayey soils
General subgrade rating
Fair to poor
*For A-7-5, PI < LL – 30
'For A-7-6, PI > LL – 30
O A. A-2-5(0)
О В. А-1-а (0)
OC.A-1-b(0)
O D.A-3(0)
ОЕ. А.2-4(0)
Transcribed Image Text:Usual types of significant constituent Stone fragments, gravel, and sand Fine Silty or clayey gravel and sand sand materials General subgrade rating Excellent to good General classification Silt-clay materials (more than 35% of total sample passing No. 200) A-7 A-7-5 A-7-6 Group classification A-4 A-5 A-6 Sieve analysis (percent passing) No. 10 No. 40 No. 200 36 min. 36 min. 36 min. 36 min. Characteristics of fraction passing No. 40 Liquid limit Plasticity index 40 max. 10 max. 41 min. 10 max. 40 max. 41 min. 11 min. 11 min. Usual types of significant constituent materials Silty soils Clayey soils General subgrade rating Fair to poor *For A-7-5, PI < LL – 30 'For A-7-6, PI > LL – 30 O A. A-2-5(0) О В. А-1-а (0) OC.A-1-b(0) O D.A-3(0) ОЕ. А.2-4(0)
Question 44
The given data shows a sieve analysis of a soil sample. Classify the soil using AASHTO Method. Tables are provided below.
Sieve No. Diameter (mm) Percent Passing
No. 4
No. 8
No. 10
No. 20
4.760
96
2.380
80
2.000
78
0.840
61
No. 40
0.420
56
No. 60
0.250
48
No. 100
0.150
39
No. 200
0.075
33
Characteristics of No. 40 Fraction
LL
45
PL
36
General classification
Granular materials (35% or less of total sample passing No. 200)
A-I
A-2
Group classification
A-l-a
A-1-5
A3
A-24
A-25
A-2-6
A-2-7
Sieve analysis
(percent passing)
No. 10
No. 40
No. 200
50 max.
30 max.
15 max.
50 max.
25 max.
51 min.
10 max.
35 max.
35 max.
35 max.
35 max.
Characteristics of
fraction passing
No. 40
Liquid limit
Plasticity index
40 max.
41 min.
40 max.
41 min.
6 max.
NP
10 max.
10 max.
11 min.
11 min.
Usual types of
significant
Stone fragments,
gravel, and sand
Fine
Silty or clayey gravel and sand
sand
Transcribed Image Text:Question 44 The given data shows a sieve analysis of a soil sample. Classify the soil using AASHTO Method. Tables are provided below. Sieve No. Diameter (mm) Percent Passing No. 4 No. 8 No. 10 No. 20 4.760 96 2.380 80 2.000 78 0.840 61 No. 40 0.420 56 No. 60 0.250 48 No. 100 0.150 39 No. 200 0.075 33 Characteristics of No. 40 Fraction LL 45 PL 36 General classification Granular materials (35% or less of total sample passing No. 200) A-I A-2 Group classification A-l-a A-1-5 A3 A-24 A-25 A-2-6 A-2-7 Sieve analysis (percent passing) No. 10 No. 40 No. 200 50 max. 30 max. 15 max. 50 max. 25 max. 51 min. 10 max. 35 max. 35 max. 35 max. 35 max. Characteristics of fraction passing No. 40 Liquid limit Plasticity index 40 max. 41 min. 40 max. 41 min. 6 max. NP 10 max. 10 max. 11 min. 11 min. Usual types of significant Stone fragments, gravel, and sand Fine Silty or clayey gravel and sand sand
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