Given below are the requirements of a specification related to the grading of mineral aggregates in an asphaltic concrete mixture and sieve analysis of two aggregates (A and B) that are economically available for this use. Determine the range of blends of aggregates A and B that will produce a combined aggregate that will meet the limits of the specification, and given the grading of the aggregate combinations selected.

Solid Waste Engineering
3rd Edition
ISBN:9781305635203
Author:Worrell, William A.
Publisher:Worrell, William A.
Chapter4: Mechanical Processes
Section: Chapter Questions
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Given below are the requirements of a specification related to the grading of mineral aggregates in an asphaltic concrete mixture and sieve analysis of two aggregates (A and B) that are economically available for this use. Determine the range of blends of aggregates A and B that will produce a combined aggregate that will meet the limits of the specification, and given the grading of the aggregate combinations selected.

Percentage Passing ( by weight)
Mix Specifications Aggregate A
Sieve Designation
Aggregate B
1 in
% in
3/8 in
100
100
95-100
97
100
75
52
60-75
68
No.4
40-55
48
No.10
30-40
35
40
No.40
12-22
22
17
No.200
3-6
4
Transcribed Image Text:Percentage Passing ( by weight) Mix Specifications Aggregate A Sieve Designation Aggregate B 1 in % in 3/8 in 100 100 95-100 97 100 75 52 60-75 68 No.4 40-55 48 No.10 30-40 35 40 No.40 12-22 22 17 No.200 3-6 4
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