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 5.3QP
Discuss five different desirable characteristics of aggregate used in asphalt concrete.
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Discuss five different desirable characteristics of aggregate used in asphalt concrete.
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Discuss five different desirable characteristics of aggregate used in Portland cement concrete (PCC).
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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- Given the specifications for an asphaltic concrete mixture and the results of a sieve analysis, determine the proportion of different aggregates to obtain the required gradation. Coarse aggregates: 60% Fine aggregates: 35% Filler: 5%arrow_forwardHow is the load supported by asphalt concrete in the cases of tension and compression? Under what conditions is the asphalt concrete layer subjected to tension?arrow_forwardWhy angular and rough aggregate is good for Asphalt concrete? Explain the answer by relating the texture to other properties of aggregate.arrow_forward
- What is the most common polymer used for modifying asphalt cement?arrow_forwardFor concrete production, we mix 625 kg of fine aggregate and 830 kg of coarse aggregate. The fine aggregate has a moisture content of 2.3% and absorption of 3.2%, whereas the coarse aggregate has a moisture content of 1.5% and absorption of 2.8%. Calculate the amount of water required to increase the moisture contents of both fine and coarse aggregate to reach absorption?arrow_forwardWrite the three negative effects of aggregates containing excessive amounts of very fine materials (such as clay and slit) when they are used in concrete.arrow_forward
- In proportioning a concrete mix, the coarse and fine aggregates had the following properties respectively; Coarse: Dry weight: 800lb, 3,2% MC, 2.0% AC, Fine: Dry weight 350 lb, 1.2% MC, 2.9% AC. How much should the water be adjusted to account for the agregate moisture?arrow_forwardCan you describe Recyling of Asphalt Concrete.arrow_forwardwrite small introduction about (cement, fine aggregate, coarse aggregate ) also about superplstizer adding in concretearrow_forward
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