EBK MATERIALS FOR CIVIL AND CONSTRUCTIO
4th Edition
ISBN: 8220102719569
Author: ZANIEWSKI
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 5.30QP
Laboratory specific gravity and absorption tests are run on two coarse aggregatesizes, which have to be blended. The results are as follows:
Aggregate A: Bulk specific gravity = 2.814; absorption = 0.4%
Aggregate B: Bulk specific gravity = 2.441; absorption = 5.2%
a. What is the specific gravity of a mixture of 35% aggregate A and 65%aggregate B by weight?
b. What is the absorption of the mixture?
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Laboratory specific gravity and absorption tests are run on two coarse aggre-
gate sizes, which have to be blended. The results are as follows:
Aggregate A: Bulk specific gravity = 2.491; absorption = 0.8%
Aggregate B: Bulk specific gravity = 2.773; absorption = 4.6%
a. What is the specific gravity of a mixture of 60% aggregate A and 40%
aggregate B by weight?
b. What is the absorption of the mixture?
TABLE P5.32
Aggregate
A
D
Blend
Blend
20%
15%
25%
40%
Sieve Size, mm
Percent Passing
37.5
100
100
100
100
25
100
100
100
100
19
95
100
100
100
12.5
89
100
100
100
9.5
50
85
100
100
4.75
10
55
100
100
2.36
2
15
88
98
1.18
2.
5
55
45
0.6
2
3
35
34
0.3
2
2
22
25
0.15
2
15
14
0.075
2
1
6
5
Laboratory specific gravity and absorption tests are run on two coarse aggre-gate sizes, which have to be blended. The results are as follows:
Aggregate A: Bulk specific gravity = 2.814; absorption = 0.4,Aggregate B: Bulk specific gravity = 2.441; absorption = 5.2,a. What is the specific gravity of a mixture of 35% aggregate A and 65%aggregate B by weight?b. What is the absorption of the mixture?
Laboratory specific gravity and absorption tests are run on two coarse aggregate sizes, which have to be blended. The results are as follows:Aggregate A: Bulk specific gravity = 2.814; Absorption = 0.4% Aggregate B: Bulk specific gravity = 2.441; Absorption = 5.2% a. What is the specific gravity of a mixture of 50% aggregate A and 50% aggregate B by weight? b. What is the absorption of the mixture?
Chapter 5 Solutions
EBK MATERIALS FOR CIVIL AND CONSTRUCTIO
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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- If you don't no the solution please leave it. I want right solution according to the questionarrow_forwardAggregates from three sources having the properties shown in the table below where blended at a ratio of 30:45:25 by weight. Determine the properties of the aggregate blend. (Please show me in direct solution)arrow_forwardFor fine aggregate: bulk specific gravity=2.60, SSD Bulk Specific Gravity=2.63, apparent Specific gravity= 2.68, percent absorption=1.54% For coarse aggregate= bulk specific gravity= 2.62, SSD specific gravity=2.63, apparent specific gravity= 2.65, percent absorption=1.70% From the data above, what can you conclude about these bulk aggregate, ssd bulk specific gravity, apparent specific gravity, and percent absorption? What is the effect of these value in concrete?arrow_forward
- Laboratory specific gravity and absorption tests are run on two coarse aggregate sizes, which have to be blended. The results are as follows:Aggregate A: Bulk specific gravity = 2.491; absorption = 0.8,Aggregate B: Bulk specific gravity = 2.773; absorption = 4.6,a. What is the specific gravity of a mixture of 60% aggregate A and 40% aggregate B by weight?b. What is the absorption of the mixture?arrow_forwardStudents in the materials lab performed the specific gravity and absorption test (ASTM C127) on coarse aggregate and they obtained following data: a. Dry weight = 3862.1 g b. SSD weight = 3923.4 g c. Submerged weight = 2452.1 g 1. Calculate the specific gravity values (dry bulk, SSD, and apparent) and the absorption of the coarse aggregate. (Answer in 3 decimal places)arrow_forwardLaboratory specific gravity and absorption tests are run on two coarse aggregate sizes, which have to be blended. The results are as follows: Aggregate A: Buck specific gravity = 2.395; absorption = 4.69% Aggregate B: Buck specific gravity = 2.601; absorption = 0.51% What is the specific gravity of a mixture of 50]% aggregate A and 50% aggregate B by weight?arrow_forward
- In an aggregate mix, the proportions of coarse aggregate, fine aggregate and mineral filter are 55%, 40% and 5%, respectively. The values of bulk specific gravity of the coarse aggregate, fine aggregate and mineral filler are 2,55, 2,65 and 2.70, respectively. The bulk specific gravity of the aggregate mix (round off to two decimal places) isarrow_forwardThe mass of fine aggregate B has been reduced and weighed to conduct an aggregate test shown in Table 2. (e) Calculate the dry bulk specific gravity, SSD bulk specific gravity, apparent specific gravity, and the aggregate absorption.arrow_forwardA mix design requires 1160 kg/m3 of coarse aggregate (in dry condition), 599 kg/m3of fine aggregate (in dry condition) and 148 kg/m3 of water. The absorption capacityof the coarse aggregate is 0.4 % while the moisture content is 1.5%. The absorptioncapacity of the fine aggregate is 0.4 % while the moisture content is 4%. Pleaseanswer the following questions based on information given. a. What is the amount of Moist Coarse Aggregate? b. What is the amount of SSD Fine Aggregate? c. What is the amount of Moist Fine Aggregate? d. What is the amount of water after adjusting for moisture?arrow_forward
- The following are the results in the test for specific gravity of fine aggregates:Mass of Oven-dried specimen in air = 502gMass of Pycnometer filled with water, to calibration mark = 640gMass of Saturated Surface Dry Specimen = 510gMass of Pycnometer filled with specimen and water to calibration mark = 950gCalculate the absorption, apparent specific gravity, bulk specific gravity in SSD condition, and bulk specific gravity in OD conditionarrow_forwardGive the conclusion and recommendation of this experiment: DETERMINATION OF SPECIFIC GRAVITY AND ABSORPTION OF FINE AGGREGATES.arrow_forwardSpecific Gravity and absorption test is done in the materials lab on a sample of coarse aggregate and the following data is obtained: Dry weight: 1002.3 g SSD weight: 1032.4 g Submerged weight: 607.5 g Calculate the specific gravity values (dry, SSD and apparent) and the absorption of the coarse aggregate.arrow_forward
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Aggregates: Properties; Author: nptelhrd;https://www.youtube.com/watch?v=49yGZYeokKM;License: Standard YouTube License, CC-BY