available data shown in Tables pute the desired Gradation (blend od. Total Géb, Gse „Pha and Phe accore
available data shown in Tables pute the desired Gradation (blend od. Total Géb, Gse „Pha and Phe accore
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter18: Bituminous Materials
Section: Chapter Questions
Problem 5P: Given the specifications for an asphaltic concrete mixture and the results of a sieve analysis,...
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![According to available data shown in Tables 2, calculate the following:
a. Compute the desired Gradation (blend ratios of each fraction) using trial and error
method.
b. Find Total Gsb, Gse „Pba and Pbe according to asphalt Gb 1.015, Gmm-2.658 and
Pb=4.5%.
Tabłe 2: Aggregate Gradation Analysis
Mid
Specifications
Limits
Sieve
Blend
A
Size (in)
Gradation
Limits
3/4"
100
100
100
100
1/2"
90
100
100
80-100
3/8"
59
100
100
70-90
No.4
16
96
100
50-70
No.8
3.2
82
100
35-50
No.30.
1.1
51
100
18-29
No.50
36
98
13-23
No.100
21
93
8-16
No.200
9.2
82
4-10
2.785
2.687
2.734
Note:
Gse
100 x
Gsb
Gb
GsbxGse
Pmm Pb
Pmm
Gse
Gmm
Pba
%3D
%3D
Ртт
Pb
Ps
Pb
Gmm
Gb
Gse
Gb
Pba
xPs
100
Pbe = Pb](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F81187805-409b-458e-9485-4535bcdd7722%2F9ebee5f0-1077-4557-a482-6695a43d491d%2Fciwqr5_processed.jpeg&w=3840&q=75)
Transcribed Image Text:According to available data shown in Tables 2, calculate the following:
a. Compute the desired Gradation (blend ratios of each fraction) using trial and error
method.
b. Find Total Gsb, Gse „Pba and Pbe according to asphalt Gb 1.015, Gmm-2.658 and
Pb=4.5%.
Tabłe 2: Aggregate Gradation Analysis
Mid
Specifications
Limits
Sieve
Blend
A
Size (in)
Gradation
Limits
3/4"
100
100
100
100
1/2"
90
100
100
80-100
3/8"
59
100
100
70-90
No.4
16
96
100
50-70
No.8
3.2
82
100
35-50
No.30.
1.1
51
100
18-29
No.50
36
98
13-23
No.100
21
93
8-16
No.200
9.2
82
4-10
2.785
2.687
2.734
Note:
Gse
100 x
Gsb
Gb
GsbxGse
Pmm Pb
Pmm
Gse
Gmm
Pba
%3D
%3D
Ртт
Pb
Ps
Pb
Gmm
Gb
Gse
Gb
Pba
xPs
100
Pbe = Pb
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