Question: The target air void content ( % ) for a typical asphalt concrete surface course mix is most nearly a . 3 b . 4

The target air void content (%) for a typical asphalt concrete surface course mix is most nearly
a.3
b.4
c.5
d. It depends on the aggregate
Which of the following is not considered a deleterious material when evaluating concrete aggregate?
a. Clay
b. Limestone
c. Lignite
d. Chert
The addition of air entraining admixtures to a concrete mix is to
a. Reduce weight
b. Increase durability
c. Improve strength
d. Accelerate curing
The target air void content ( % ) for a typical

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