5.28 Table P5.28 shows the grain size distributions of two aggregates A and B. TABLE P5.28 Sieve Size, mm 25 19 12.5 9.5 4.750 2.36 1.18 0.600 0.300 0.150 0.075 % Passing 100 Agg. A 92 76 71 53 38 32 17 10 5 3.0 % Passing 100 Agg. B 100 92 65 37 31 30 29 28 21 15.4 Answer the following questions and show all calculations: a. What are the maximum sizes of aggregates A and B? b. Is aggregate A well graded? Why? c. Is aggregate B well graded? Why? Note: In order to answer questions b and c, you need to plot the gradations on 0.45 gradation charts. You may create 0.45 power gradation charts using Excel or you may manually plot the data on a copy of Figure A.25. Determine the percent passing each sieve for the blended aggregate.
5.28 Table P5.28 shows the grain size distributions of two aggregates A and B. TABLE P5.28 Sieve Size, mm 25 19 12.5 9.5 4.750 2.36 1.18 0.600 0.300 0.150 0.075 % Passing 100 Agg. A 92 76 71 53 38 32 17 10 5 3.0 % Passing 100 Agg. B 100 92 65 37 31 30 29 28 21 15.4 Answer the following questions and show all calculations: a. What are the maximum sizes of aggregates A and B? b. Is aggregate A well graded? Why? c. Is aggregate B well graded? Why? Note: In order to answer questions b and c, you need to plot the gradations on 0.45 gradation charts. You may create 0.45 power gradation charts using Excel or you may manually plot the data on a copy of Figure A.25. Determine the percent passing each sieve for the blended aggregate.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:5.28 Table P5.28 shows the grain size distributions of two aggregates A and B.
TABLE P5.28
Sieve
Size, mm
25
19
12.5
9.5 4.750 2.36
1.18 0.600 0.300 0.150 0.075
% Passing 100
Agg. A
92
76
71
53
38
32
17
10
5
3.0
% Passing 100
Agg. B
100
92
65
37
31
30
29
28
21
15.4
Answer the following questions and show all calculations:
a. What are the maximum sizes of aggregates A and B?
b. Is aggregate A well graded? Why?
c. Is aggregate B well graded? Why?
Note: In order to answer questions b and c, you need to plot the gradations on
0.45 gradation charts. You may create 0.45 power gradation charts using Excel
or you may manually plot the data on a copy of Figure A.25.
Determine the percent passing each sieve for the blended aggregate.
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