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
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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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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