Percent Passing Size 19 12.5 9.5 4.75 2.36 0.60 0.30 0.15 mm 0.075 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) Specification limits 13-23 100 80–100 70–90 50–70 35-50 18–29 8–16 4–10 85 Aggregate A Aggregate B 100 55 20 2 100 100 100 85 67 45 32 19 11

Residential Construction Academy: House Wiring (MindTap Course List)
5th Edition
ISBN:9781337402415
Author:Gregory W Fletcher
Publisher:Gregory W Fletcher
Chapter15: Special Residential Wiring Situations
Section: Chapter Questions
Problem 1RQ
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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 requiredto 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.c

Percent Passing
Size
19
12.5
9.5
4.75
2.36
0.60
0.30
0.15 mm
0.075
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)
Specification
limits
13-23
100
80–100 70–90
50–70
35-50
18–29
8–16
4–10
85
Aggregate A
Aggregate B
100
55
20
2
100
100
100
85
67
45
32
19
11
Transcribed Image Text:Percent Passing Size 19 12.5 9.5 4.75 2.36 0.60 0.30 0.15 mm 0.075 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) Specification limits 13-23 100 80–100 70–90 50–70 35-50 18–29 8–16 4–10 85 Aggregate A Aggregate B 100 55 20 2 100 100 100 85 67 45 32 19 11
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