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 5.40QP
Aggregates from three sources having the properties shown in Table P5.40 were blended at a ratio of 55:25:20 by weight. Determine the properties of the aggregate blend.
TABLE P5.40
| Property | Aggregate 1 | Aggregate 2 | Sand |
| Coarse aggregate angularity, percent crushed faces | 100 | 87 | N/A |
| Bulk specific gravity | 2.631 | 2.711 | 2.614 |
| Apparent specific gravity | 2.732 | 2.765 | 2.712 |
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5.41 Aggregates from three sources having the properties shown in Table P5.41
were blended at a ratio of 25:60:15 by weight. Determine the properties of the
aggregate blend.
TABLE P5.41
Property
Coarse aggregate angularity,
percent crushed faces
Bulk specific gravity
Apparent specific gravity
Aggregate 1
73
2.774
2.810
Aggregate 2
95
2.390
2.427
Sand
N/A
2.552
2.684
Based on the data shown in Table P9.31, select the blend for a Superpave
design aggregate structure. Assume <0.3 million ESAL and 19 mm nominal
maximum aggregate size.
TABLE P9.31
Blend
Data
1
3
Gmb
Gmm
2.451
2.465
2.467
2.585
2.654
2.584
Gp
1.030
1.030
1.030
P
5.9
5.5
5.8
94.1
94.5
94.2
Ра
4.5
4.5
4.5
Gşb
2.657
2.667
2.705
Hini
127
135
124
Håes
113
114
118
9.31 Based on the data shown in Table P9.31, select the blend for a Superpave
design aggregate structure. Assume <0.3 million ESAL and 19 mm nominal
maximum aggregate size.
Table P9.31
Blend
Data
1
2
3
2.451
2.465
2.467
Gmb
Gmm
Gp
P
P3
Pd
Gsb
Hini
Hdes
2.585
2.654
2.584
1.030
1.030
1.030
5.9
5.5
5.8
94.1
94.5
94.2
4.5
4.5
4.5
2.657
2.667
2.705
127
135
124
113
114
118
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Similar questions
- 4 pts Question 23 What is the fineness modulus of this aggregate? % Cumulative Retained Retained Mass 0% Sieve Size (US) (g) Retained Passing 1" 3/4" 1/2" 3/8" # 4 650 18.3 700 19.7 632 17.8 175 4.9 # 8 200 5.6 #16 W 150 4.2 #30 125 3.5 #50 331 9.3 #100 288 8.1 #200 250 7 Pan 50 1.4 Total 3551 O 5.20 O 1.57 O 3.89 O 6.50arrow_forwardA sieve analysis test was performed on a sample of coarse aggregate and pro- duced the results in Table P5.22. a. Calculate the percent passing through each sieve. b. What is the maximum size? c. What is the nominal maximum size? d. Plot the percent passing versus sieve size on a semilog gradation chart. e. Plot the percent passing versus sieve size on a 0.45 gradation chart (Figure A.25). f. Referring to Table 5.5 (ASTM C33), what is the closest size number and does it meet the gradation for that standard size? TABLE P5.22 Sieve Size, mm Amount Retained, g 75.0 50.0 37.5 1678 25.0 7212 19.0 5443 12.5 6124 9.5 12111 4.75 4581 Pan 590arrow_forwardQиestion no.08 The result of specific gravity test is given below Weight of saturated aggregate in water =618gm Weight of oven dry sample = 982 gm Weight of saturated surface dry aggregate = 990 gm (i) Calculate the specific gravity of aggregate?arrow_forward
- Table 1 shows the sieve analysis of a 900-g fine aggregate samples. (c) Identify which aggregate is (i) open graded (ii) gap graded and (iii) dense graded. Justify your answer.arrow_forwardAnswer question 5.36arrow_forwardAggregates from three sources having the properties shown in Table were blended at a ratio of 55:25:20 by weight. Determine the properties of the aggregate blend.arrow_forward
- (c) Table 1 shows the mass of fine aggregates used to conduct a specific gravity test. Calculate the; i) Dry bulk specific gravity ii) SSD bulk specific gravity i) Apparent specific gravity iv) Aggregate absorption. Table 1 Mass of Aggregate 600 g SSD Mass of Aggregate 589 g Mass of pycnometer with water 710 g Mass of pycnometer with water and aggregate 1090 g Mass of aggregate at cool temperature 498 garrow_forwardAggregates from three sources having the properties shown in Table were blended at a ratio of 25:60:15 by weight. Determine the properties of the aggregate blend.arrow_forwardPls solve fast and correct do not solve wrongarrow_forward
- pls answer soonarrow_forwardCoarse aggregate is placed in a rigid bucket and rodded with a tamping rod to determine its unit weight. The following data are obtained: Volume of bucket ½ ft3 Weight of empty bucket Weight of bucket filled with dry rodded coarse aggregate 20.3 lb Trial 1 = 69.6 lb Trial 2 = 68.2 lb Trial 3 = 71.6 lb a. Calculate the average dry-rodded unit weight b. If the bulk dry specific gravity of the aggregate is 2.620, calculate the per- cent voids between aggregate particles for each trial.arrow_forwardThree samples of aggregates were taken weighed in moist and dry condition. Moist Dry Unit Unit Absorption Volume Aggregate Wt. Wt. (%) (m³) (kN/m) (kN/m³) Sample 1 23.425 20.018 5.14 0.366 Sample 2 22.7 18.757 3.87 0.695 Sample 3 20.292 18.387 2.62 0.237 Where; Unit weight of water = 9.81 kN/m3 Determine the average free moisture content of the three samples.arrow_forward
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Aggregates: Properties; Author: nptelhrd;https://www.youtube.com/watch?v=49yGZYeokKM;License: Standard YouTube License, CC-BY