5.36 Calculate the fineness modulus of aggregate A in Problem 5.27. Is your answer within the typical range for fineness modulus? If not, why not?
5.36 Calculate the fineness modulus of aggregate A in Problem 5.27. Is your answer within the typical range for fineness modulus? If not, why not?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
Answer question 5.36
Transcribed Image Text:220
5.27
Table P5.27 shows the grain size distributions of two aggregates A and B.
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?
Chapter 5 Aggregates
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.
Percent passing
Aggregate A
Aggregate B
Aggregate C
Sieve
Size, mm
100
80-
60-
40
20-
TABLE P5.26
FIGURE P5.25
TABLE P5.27
25
mm
0
0.075 0.30 1.18 2.36 4.75
0.15 0.60
100
100
100
25
% Passing 100
Agg. A
19
mm
100
85
100
92 76
% Passing 100 100
Agg. B
B-
92
12.5
mm
100
62
84
A
71
65
Sieve sizes (mm)
Percent Passing
9.5
mm
Size
77
43
51
53
37
19 12.5 9.5 4.750 2.36 1.18 0.600 0.300 0.150 0.075
38
9.5 12.5
31
70
24
29
4.75 1.18 0.60 0.30
mm
mm
mm
mm
34
28
7
0
8
14
с
32
30
42
13
19
19.0 25.0
17
29
10
28
5
0.15
mm
21
20
0
9
3.0
15.4
![5.35 Define the fineness modulus of aggregate. What is it used for?
5.36 Calculate the fineness modulus of aggregate A in Problem 5.27. Is your answer
within the typical range for fineness modulus? If not, why not?
Calculate the fineness modulus of aggregate B in Problem 5.29. Is your answer
within the typical range for fineness modulus? If not, why not? (Note that
the percent passing the 1.18-mm [No. 16] sieve is not given and must be
estimated.)
5.37](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb816de81-d091-4434-aa0d-8a250bb5db6b%2F65c22232-1f7e-4022-bcdc-42b24bbe8212%2Fsx686v_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5.35 Define the fineness modulus of aggregate. What is it used for?
5.36 Calculate the fineness modulus of aggregate A in Problem 5.27. Is your answer
within the typical range for fineness modulus? If not, why not?
Calculate the fineness modulus of aggregate B in Problem 5.29. Is your answer
within the typical range for fineness modulus? If not, why not? (Note that
the percent passing the 1.18-mm [No. 16] sieve is not given and must be
estimated.)
5.37
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