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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Question
Chapter 9, Problem 9.24QP
(a)
To determine
The air voids for asphalt concrete.
(b)
To determine
The voids in the mineral-aggregate.
(c)
To determine
Voids filled with the asphalt.
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Define voids in the mineral aggregate for asphalt concrete.
Several types of fillers, such as crushed fines, portland cement, lime, fly ash, and carbon black, can be added to asphalt concrete. Fillers are used to satisfy gradation requirements of materials passing the 0.075 mm sieve, increase stability, improve bond between aggregates and asphalt, or fill the voids and thus reduce the asphalt required.
Answer the question false or. true
oxidized asphalt are not used commonly in highway construction
Chapter 9 Solutions
Materials for Civil and Construction Engineers (4th Edition)
Ch. 9 - Prob. 9.1QPCh. 9 - Prob. 9.2QPCh. 9 - Prob. 9.3QPCh. 9 - Prob. 9.4QPCh. 9 - Prob. 9.5QPCh. 9 - Prob. 9.6QPCh. 9 - Prob. 9.7QPCh. 9 - What are the engineering applications of each of...Ch. 9 - Prob. 9.9QPCh. 9 - Prob. 9.10QP
Ch. 9 - Prob. 9.11QPCh. 9 - Prob. 9.12QPCh. 9 - Prob. 9.13QPCh. 9 - Prob. 9.14QPCh. 9 - Prob. 9.15QPCh. 9 - Prob. 9.16QPCh. 9 - Prob. 9.17QPCh. 9 - Prob. 9.18QPCh. 9 - What are the objectives of the asphalt concrete...Ch. 9 - Prob. 9.20QPCh. 9 - Prob. 9.21QPCh. 9 - Prob. 9.22QPCh. 9 - Prob. 9.23QPCh. 9 - Prob. 9.24QPCh. 9 - Prob. 9.25QPCh. 9 - An asphalt concrete mixture includes 94% aggregate...Ch. 9 - Prob. 9.27QPCh. 9 - Prob. 9.28QPCh. 9 - Prob. 9.29QPCh. 9 - Prob. 9.30QPCh. 9 - Based on the data shown in Table P9.31, select the...Ch. 9 - Based on the data in Table P9.32, determine the...Ch. 9 - Given the data in Table P9.33, select the blend...Ch. 9 - The Marshall method of mix design has been widely...Ch. 9 - Prob. 9.35QPCh. 9 - Prob. 9.36QPCh. 9 - Prob. 9.37QPCh. 9 - Prob. 9.38QPCh. 9 - Prob. 9.39QPCh. 9 - Prob. 9.40QPCh. 9 - Prob. 9.41QPCh. 9 - Prob. 9.42QPCh. 9 - Prob. 9.43QPCh. 9 - What is the purpose of adding fly ash to asphalt...Ch. 9 - Prob. 9.45QPCh. 9 - Prob. 9.47QPCh. 9 - Prob. 9.48QP
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- Why angular and rough aggregate is good for Asphalt concrete? Explain the answer by relating the texture to other properties of aggregate.arrow_forward6. The following table shows the gradation of two aggregates A and B which are to be blended to produce an acceptable aggregate for use in manufacturing asphalt concrete for highway pavement construction. If the required limits of gradation for asphalt concrete are shown in the table below, determine a suitable ratio for blending aggregates A and B to obtain the acceptable combined aggregate. Sieve Size 3/4 in. (19 mm) 3/8 in. (9.5 mm) No. 4 (4.25 mm) No. 10 (2 mm) No. 40 (0.425 mm) No. 200 (0.075 mm) A 100 80 50 43 20 4 Percent Passing by Weight B 98 76 45 33 30 8 Required Mix 96 to 100 65 to 80 40 to 55 35 to 40 15 to 35 5 to 8arrow_forwardWhat is the most common polymer used for modifying asphalt cement?arrow_forward
- choose the correct answer Asphalt concrete mix consisting of *a-Asphalt, fine aggregate and waterb-Asphalt, rough aggregate and waterc-Cement, asphalt and waterd-Other than thatarrow_forwardConcrete was mixed with the following ingredients: 20.7 kg of cement, 39.2 kg of sand,60.9 kg of gravel, and 14.6 kg of water. The sand has a moisture content of 3.3% andan absorption of 4.7%. The gravel has a moisture content of 3.6% and an absorptionof 4.5%. Since water absorbed in the aggregate does not react with the cement or improve the workability of the plastic concrete, what is the water–cement ratio of this mix according to the American Concrete Institute’s weight mix design method? If a water–cement ratio of 0.5 is required using the same materials and ingredients but different amount of mixing water, what is the weight of the mixing water to use?arrow_forwardAn asphalt concrete specimen has a mass in air of 1327.8 g, mass in water of 792.4 g, and saturated surface-dry mass of 1342.2 g. Calculate the bulk-specific gravity of the specimen.arrow_forward
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