Materials for Civil and Construction Engineers (4th Edition)
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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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

Materials for Civil and Construction Engineers (4th Edition)

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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Aggregates: Properties; Author: nptelhrd;https://www.youtube.com/watch?v=49yGZYeokKM;License: Standard YouTube License, CC-BY