Yren wan given a sol sample which yelds the totowing passing percentage tor derent sieves Seve No. Diameter mm Percent Passing No. 4 4700 97 82 No. 2380 No. 10 2000 No. 20 0840 No. 40 0420 No. 60 0250 No. 100 149 No. 200 0074 Characteristies of Fraction Passing No. 40 61 23 LL-41 PL13 What wi be this sof reing gronde Follow rules provided by AASHTO. A4 A A

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Question
Characteristics of
fraction passing
No. 40
Liquid limit
Plasticity index
40 max.
41 min.
40 max.
11 min.
41 min.
6 max.
NP
10 max.
10 max.
11 min.
Usual types of
significant
Stone fragments,
gravel, and sand
Fine
Silty or clayey gravel and sand
sand
constituent
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.
40 max.
11 min.
41 min.
41 min.
10 mах
10 mаx.
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
Transcribed Image Text:Characteristics of fraction passing No. 40 Liquid limit Plasticity index 40 max. 41 min. 40 max. 11 min. 41 min. 6 max. NP 10 max. 10 max. 11 min. Usual types of significant Stone fragments, gravel, and sand Fine Silty or clayey gravel and sand sand constituent 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. 40 max. 11 min. 41 min. 41 min. 10 mах 10 mаx. 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
Question 15
Yiren was given a soil sample which yields the following passing percentage for different sieves.
Sieve No. Diameter (mm) Percent Passing (%)
No. 4
4.760
99
No. 8
2.380
No. 10 2.000
97
82
No. 20
0.840
67
No. 40
0.420
61
No. 60
No. 100 0.149
0.250
58
49
No. 200 0.074
Characteristics of Fraction Passing No. 40
23
LL - 41
PL= 13
What will be this soil's resulting group index?
Follow rules provided by AASHTO.
General classification
Granular materials as or less of total sample passing No. 200
A-I
A-2
Group classificenion
424
A26
A2-7
Sieve analysis
(percent passing)
No. 10
50 mas
30 max. 50 max.
15 max. 25 max. 10 max 35 max.
Na. 40
51 min.
No. 200
35 max.
35 max
35 max
herteriti d
Transcribed Image Text:Question 15 Yiren was given a soil sample which yields the following passing percentage for different sieves. Sieve No. Diameter (mm) Percent Passing (%) No. 4 4.760 99 No. 8 2.380 No. 10 2.000 97 82 No. 20 0.840 67 No. 40 0.420 61 No. 60 No. 100 0.149 0.250 58 49 No. 200 0.074 Characteristics of Fraction Passing No. 40 23 LL - 41 PL= 13 What will be this soil's resulting group index? Follow rules provided by AASHTO. General classification Granular materials as or less of total sample passing No. 200 A-I A-2 Group classificenion 424 A26 A2-7 Sieve analysis (percent passing) No. 10 50 mas 30 max. 50 max. 15 max. 25 max. 10 max 35 max. Na. 40 51 min. No. 200 35 max. 35 max 35 max herteriti d
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