Percent Passing Size 12.5 9.5 4.75 2.36 0.60 0.30 0.15 0.075 19 mm mm mm mm mm mm mm mm mm (3/4 in.) (1/2 in.) (3/8 in.) (No. 4) (No. 8) (No. 30) (No. 50) (No. 100) (No. 200) Spec. limits 35-50 4–10 100 80–100 70–90 50–70 18–29 13–23 8–16 41 38 Aggregate A Aggregate B 100 100 100 79 66 21 12 100 92 54 24 3

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Table shows the grain size distribution for two aggregates and the specification limits for an asphalt concrete. Determine the blend proportion required to meet the specification and the gradations of the blend. On a semilog gradation graph, plot the gradations of aggregate A, aggregate B, the selected blend,and the specification limits.

Percent Passing
Size
12.5
9.5
4.75
2.36
0.60
0.30
0.15
0.075
19 mm
mm
mm
mm
mm
mm
mm
mm
mm
(3/4 in.) (1/2 in.) (3/8 in.) (No. 4) (No. 8) (No. 30) (No. 50) (No. 100) (No. 200)
Spec. limits
35-50
4–10
100
80–100 70–90
50–70
18–29
13–23
8–16
41
38
Aggregate A
Aggregate B
100
100
100
79
66
21
12
100
92
54
24
3
Transcribed Image Text:Percent Passing Size 12.5 9.5 4.75 2.36 0.60 0.30 0.15 0.075 19 mm mm mm mm mm mm mm mm mm (3/4 in.) (1/2 in.) (3/8 in.) (No. 4) (No. 8) (No. 30) (No. 50) (No. 100) (No. 200) Spec. limits 35-50 4–10 100 80–100 70–90 50–70 18–29 13–23 8–16 41 38 Aggregate A Aggregate B 100 100 100 79 66 21 12 100 92 54 24 3
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