Materials for Civil and Construction Engineers (4th Edition)
4th Edition
ISBN: 9780134320533
Author: Michael S. Mamlouk, John P. Zaniewski
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 5.28QP
Three aggregates are to be mixed together in the following ratio:
Aggregate A: 35%
Aggregate B: 40%
Aggregate C: 25%
For each aggregate, the percent passing a set of five sieves is shown in Table P5.28.
Determine the percent passing each sieve for the blended aggregate.
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Three aggregates are to be mixed together in the following ratio:
Aggregate A 35%
Aggregate B 40%
Aggregate C 25%
For each aggregate, the percent passing a set of five sieves is shown in the following table:
Determine the percent passing each sieve for the blended aggregate?
Table shows the grain size distributions of aggregates A, B, and C. The three aggregates must be blended at a ratio of 15:25:60 by weight, respectively.Using a spreadsheet program, determine the grain size distribution of the blend.
Table P5.27 shows the grain size distributions of aggregates A, B, and C. The
three aggregates must be blended at a ratio of 15:25:60 by weight, respectively.
Using a spreadsheet program, determine the grain size distribution of the blend.
TABLE P5.27
Percent Passing
Sieve Size, mm
25
19
12.5
9.5
4.75
1.18
0.60
0.30
0.15
Aggregate A
100
100
100
77
70
42
34
28
20
Aggregate B
100
85
62
43
24
13
Aggregate C
100
100
84
51
29
19
18
14
9.
Chapter 5 Solutions
Materials for Civil and Construction Engineers (4th Edition)
Ch. 5 - Prob. 5.1QPCh. 5 - Discuss five different desirable characteristics...Ch. 5 - Discuss five different desirable characteristics...Ch. 5 - The shape and surface texture of aggregate...Ch. 5 - Define the following terms: a. Saturated...Ch. 5 - Three samples of fine aggregate have the...Ch. 5 - A sample of wet aggregate weighed 297.2 N. After...Ch. 5 - 46.5 kg (102.3 lb) of fine aggregate is mixed with...Ch. 5 - Samples of coarse aggregate from a stockpile are...Ch. 5 - Base course aggregate has a target dry density of...
Ch. 5 - Calculate the percent voids between aggregate...Ch. 5 - Calculate the percent voids between aggregate...Ch. 5 - Coarse aggregate is placed in a rigid bucket and...Ch. 5 - The following laboratory tests are performed on...Ch. 5 - Students in the materials lab performed the...Ch. 5 - The specific gravity and absorption test (ASTM...Ch. 5 - Prob. 5.18QPCh. 5 - Calculate the sieve analysis shown in Table P5.19...Ch. 5 - Calculate the sieve analysis shown in Table P5.20,...Ch. 5 - A sieve analysis test was performed on a sample of...Ch. 5 - A sieve analysis test was performed on a sample of...Ch. 5 - Draw a graph to show the cumulative percent...Ch. 5 - Referring to Table 5.6, plot the specification...Ch. 5 - Referring to the aggregate gradations A, B, and C...Ch. 5 - Table P5.26 shows the grain size distributions of...Ch. 5 - Table P5.27 shows the grain size distributions of...Ch. 5 - Three aggregates are to be mixed together in the...Ch. 5 - Table P5.29 shows the grain size distribution for...Ch. 5 - Laboratory specific gravity and absorption tests...Ch. 5 - Table P5.31 shows the grain size distribution for...Ch. 5 - Prob. 5.32QPCh. 5 - Laboratory specific gravity and absorption tests...Ch. 5 - Prob. 5.34QPCh. 5 - Define the fineness modulus of aggregate. What is...Ch. 5 - Calculate the fineness modulus of aggregate A in...Ch. 5 - Calculate the fineness modulus of aggregate B in...Ch. 5 - A portland cement concrete mix requires mixing...Ch. 5 - Discuss the effect of the amount of material...Ch. 5 - Aggregates from three sources having the...Ch. 5 - Aggregates from three sources having the...Ch. 5 - A contractor is considering using three stockpiles...Ch. 5 - Prob. 5.43QPCh. 5 - What are the typical deleterious substances in...Ch. 5 - Review ASTM D75 and summarize the following: a....
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- 5.24 Three aggregates are to be mixed together in the following ratio: Aggregate A 35% Aggregate B 40% Aggregate C 25% For each aggregate, the percent passing a set of five sieves is shown in the fol- lowing table: Sieve Size (mm) % Passing Agg. A % Passing Agg. B % Passing Agg. C 9.5 85 50 40 4.75 70 35 30 0.6 35 20 0.3 25 13 1 0.15 17 7 Determine the percent passing each sieve for the blended aggregate.arrow_forward5.17 Calculate the sieve analysis of the following aggregate and plot on a semilog gradation paper. What is the maximum size? What is the nominal maximum size? Sieve Size 25 mm (1 in.) 9.5 mm (3/8 in.) 4.75 mm (No. 4) 2.00 mm (No. 10) 0.425 mm (No. 40) 0.075 mm (No.200) Pan Amount Cumulative Amount Cumulative Percent Retained, g Retained, g 0 47.1 239.4 176.5 92.7 73.5 9.6 Retained Percent Passingarrow_forward29 - please show complete solution, thanks!arrow_forward
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- A coarse aggregate sample was dried in an oven for 1.5 hours before it was immersed in water for 24 hours then rolled in an absorbent cloth to dry the surfaces of the aggregate. The weight in this condition is found to be 3002 g. It was transferred to a density basket to determine its weight in water which was recorded to be 1910 g. it was then poured in a drying pan and dried in the oven. The weight after drying was 2965 g. Compute the following: a. Bulk Specific Gravity (oven dry) b. Bulk Specific Gravity (SSD) c. Apparent Specific Gravity d. Absorption in %arrow_forward4-33. Following are results of gradation tests on three aggregates: Aggregate A 100% 92% 41% 19% 7% 4% 2% 1% Passing 25 mm (1 in.) 19 mm (3/4 in.) 9.5 mm (3/8 in.) 4.75 mm (No. 4) 2.36 mm (No. 8) 600 μm (No. 30) 300 μm (No. 50) 75 μm (No. 200) Aggregate B 100% 77% 60% 42% 36% 28% Aggregate C 100% 96% 79% 40% 16% 3% Combine these to give a gradation falling approximately in the center of the specification given in Section 4-5.1.arrow_forwardReferring to the aggregate gradations A, B, and C in Figure , answer the following questions:a. What is the maximum size of each gradation?b. What is the nominal maximum size of each gradation?c. Classify each gradation as dense, open, or gap indicating the reason for each classification.arrow_forward
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