Traffic and Highway Engineering
5th Edition
ISBN: 9781305156241
Author: Garber, Nicholas J.
Publisher: Cengage Learning
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Chapter 18, Problem 10P
To determine
(a)
Bulk specific gravity of aggregates in the mix.
To determine
(b)
The asphalt absorbed.
To determine
(c)
The effective asphalt content of the paving mixture.
To determine
(d)
The percent voids in the mineral aggregate VMA.
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The table below lists data used in obtaining a mix design for an asphalt paving mixture. If the
maximum specific gravity of the mixture is 2.41 and the bulk specific gravity is 2.35,
Determine:
(a) the bulk specific gravity of aggregates in the mix
(b) the asphalt absorbed
(c) the effective asphalt content of the paving mixture
(d) the percent voids in the mineral aggregate VMA.
Material
Asphalt cement 1.02
Coarse aggregate 2.51
Fine aggregate
Mineral filler
Specific GravityMix Proportion
6.4
52.35
2.74
|2.69
33.45
7.8
The table below lists data used in obtaining a mix design for an asphalt paving mixture. If themaximum specific gravity of the mixture is 2.41 and the bulk specific gravity is 2.35,Determine:(a) the bulk specific gravity of aggregates in the mix(b) the asphalt absorbed
(c) the effective asphalt content of the paving mixture(d) the percent voids in the mineral aggregate VMA
The table below lists data used in obtaining a mix design for an asphalt paving mixture. If the maximum specific gravity of the mixture is 2.41 and the bulk specific gravity is 2.35, determine
1. The bulk specific gravity of aggregate in the mix
2. The asphalt absorbed
3. The effective asphalt content of the paving mixture
4. The percent voids in the mineral aggregate VMA
Chapter 18 Solutions
Traffic and Highway Engineering
Ch. 18 - Prob. 1PCh. 18 - Prob. 2PCh. 18 - Prob. 3PCh. 18 - Prob. 4PCh. 18 - Given the specifications for an asphaltic concrete...Ch. 18 - Given the particle size distributions of two...Ch. 18 - Given the particle size distributions of two...Ch. 18 - Given four different types of aggregates to be...Ch. 18 - Prob. 9PCh. 18 - Prob. 10P
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- An aggregate blend is composed of 65% coarse aggregate by weight (SG 2.65), 30% fine aggregate (SG 2.70), and 5% filler (SG 2.75). The compacted specimen contains 6% asphalt binder (SG 105) by weight of total mix, and has a bulk densit of 2.255 Mg/m&3. Ignoring absorption.a. What is the percent voids fill with asphalt?b. What is the percent voids in mineral aggregates?c. What is the percent voids in total mix?arrow_forwardAn aggregate blend for an asphalt concrete mixture has the following composition by weight: Coarse aggregate Fine aggregate 65% Specific (bulk) gravity of coarse agg. 35% Specific (bulk) gravity of fine agg. = 2.70 = 2.65 This aggregate blend was mixed with asphalt cement (G, =1.03) at an asphalt content of 5.5% by weight of mixture (ignore absorbed asphalt). A volumetric analysis was conducted and it was determined that the %VMA for the mix was 15.5%. Determine Gmb Of the mixture.arrow_forwardAn asphalt concrete specimen has the following properties:asphalt content = 5.9% by total weight of mix bulk specific gravity of the mix = 2.457 theoretical maximum specific gravity = 2.598 bulk specific gravity of aggregate = 2.692Calculate the percents VTM, VMA, and VFA.arrow_forward
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