estion 41 The given datashows 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 4. 760 96 No. 8 2.380 80 No. 10 2.000 78
estion 41 The given datashows 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 4. 760 96 No. 8 2.380 80 No. 10 2.000 78
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter4: Soil Classification
Section: Chapter Questions
Problem 4.7CTP: For the soils that are classified by the following AASHTO symbols, what would be the most likely...
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Transcribed Image Text:Plasticity index
o max.
NP
T0 max.
10 max.
I1 min.
11 min.
Fine
Silty or clayey gravel and sand
Usual types of
significant
Stone fragments,
gravel, and sand
sand
constituent
materials
Excellent to good
General subgrade
rating
General classification
Silt-clay materials (more than 35% of total sample passing No. 200)
A-7
A-7-50
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.
11 min.
41 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 > LI. – 30
O A. A-2-4(0)
O B.A-1-a(0)
OC.A-2-5(0)
O D.A-3(0)
O E. A-1-b(0)
F2
F3
F4
FS
F6
F7
%23
$4
4
%
&
5
7
因
LO
Transcribed Image Text:Question 41
The given dat d 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
4.760
96
No. 8
2.380
80
No. 10
2.000
78
No. 20
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
38
PL
29
General classification
Granular materials (35% or less of total sample passing No. 200)
A-I
A-2
Group classification
A-l-a
A-1-b
A-3
A-2-4
A-2-5
A 2-6
A-2-7
Sieve analysis
(percent passing)
No. 10
50 max.
30 max.
No. 40
50 max.
25 max.
51 min.
No. 200
15 max.
10 max.
35 max.
35 max.
35 max.
35 max.
Characteristics of
fraction passing
No. 40
Liquid limit
Plasticity index
40 max.
41 min.
10 max.
40 max.
11 min.
41 min.
11 min.
6 max.
NP
10 max.
Usual types of
significant
constituent
Stone fragments.
gravel, and sand
Fine
Silty or clayey gravel and sand
sand
materials
Ganeraluberade
Freallest ad
F1
F2
F3
F4
FS
F6
F7
FB
F9
&
4
6
8
Y
因
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