Determine the suitability of the aggregate, with the gradation tabulated below, for use in Portland cement concrete. Review the grain size distribution to determine if it meets all of the relevant specifications for use in concrete (i.e. gradation limits, fineness modulus and % fines). Refer to the specification for concrete aggregates (Table 7 – 10) below:
Determine the suitability of the aggregate, with the gradation tabulated below, for use in Portland cement concrete. Review the grain size distribution to determine if it meets all of the relevant specifications for use in concrete (i.e. gradation limits, fineness modulus and % fines). Refer to the specification for concrete aggregates (Table 7 – 10) below:
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Determine the suitability of the aggregate, with the gradation tabulated below, for use in Portland cement concrete. Review the grain size distribution to determine if it meets all of the relevant specifications for use in concrete (i.e. gradation limits, fineness modulus and % fines). Refer to the specification for concrete aggregates (Table 7 – 10) below:
|
Grain Size (mm) |
% Passing |
Cum %Retained |
|
25 |
100 |
|
|
19 |
100 |
|
|
12.5 |
100 |
|
|
9.5 |
100 |
|
|
4.75 |
95 |
|
|
2.36 |
85 |
|
|
1.18 |
55 |
|
|
0.6 |
30 |
|
|
0.3 |
15 |
|
|
0.15 |
8 |
|
|
0.075 |
6 |
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