Example: An HMA sample had been taken from a road during the construction, the weight of sample after the separation of binder was 4621 gm and the retaining on each sieve is shown in following table. Determine whether HMA sample is satisfying the Iraqi specification for base course asphalt or not? ( 62 ] Dr. Basim Al-Humeidawi

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Example: An HMA sample had been taken from a road during the construction, the weight of
sample after the separation of binder was 4621 gm and the retaining on each sieve is shown in
following table. Determine whether HMA sample is satisfying the Iraqi specification for base
course asphalt or not?
[ 62 ]
Dr. Basim Al-Humeidawi
University of Al-Qadissiyah
Roads and Transport Department
College of Engineering
Technology of asphalt concrete
2nd Year
% passing according to Iraqi specification
Base
Binder
Surface
Surface
course
course A
course B
course
37.5
100
25
90 - 100
100
86.32
19
632
76 - 90
90 - 100
100
13.67
12.5
920
56 - 80
70 - 90
90 - 100
100
9.5
612
48 - 74
56 - 80
76 - 90
90 -100
4.75
628
29 - 59
35 - 65
44 - 74
55 - 85
2.36
405
19 - 45
23 - 49
28 - 58
32 - 67
0.3
833
5 -17'
5 - 19'
5 - 21'
7- 23 '
0.075
406
2 -8'
3 - 9'
4 - 10'
4 - 10'
Pan
185
Total
4621
weight
Transcribed Image Text:Example: An HMA sample had been taken from a road during the construction, the weight of sample after the separation of binder was 4621 gm and the retaining on each sieve is shown in following table. Determine whether HMA sample is satisfying the Iraqi specification for base course asphalt or not? [ 62 ] Dr. Basim Al-Humeidawi University of Al-Qadissiyah Roads and Transport Department College of Engineering Technology of asphalt concrete 2nd Year % passing according to Iraqi specification Base Binder Surface Surface course course A course B course 37.5 100 25 90 - 100 100 86.32 19 632 76 - 90 90 - 100 100 13.67 12.5 920 56 - 80 70 - 90 90 - 100 100 9.5 612 48 - 74 56 - 80 76 - 90 90 -100 4.75 628 29 - 59 35 - 65 44 - 74 55 - 85 2.36 405 19 - 45 23 - 49 28 - 58 32 - 67 0.3 833 5 -17' 5 - 19' 5 - 21' 7- 23 ' 0.075 406 2 -8' 3 - 9' 4 - 10' 4 - 10' Pan 185 Total 4621 weight
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