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 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

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter18: Bituminous Materials

Section: Chapter Questions

Problem 12P

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Concept explainers

Asphalt Binders and Mixtures

Asphalt binders are subsidiary products procured during the refining process of petroleum while manufacturing gasoline, diesel, and similar petroleum products. Asphalt binders are obtained from the residue that remains after the distillation of petroleum, this residue is further subjected to steam distillation and oxidation to remove the traces of gas oil present in the residue. Certain additives or modifiers are also added to asphalt binders to alter them to suit different applications.

Question

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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

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