answer the following engineering construction

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A compacted sample of AC contains 5.3% asphalt binder by weight of total mix, and its bulk specific gravity is 2.428. The theoretical maximum specific gravity of the mix is 2.592, and the bulk specific gravity of the aggregate is 2.703. Determine the VMA, VTM, and VFA of the AC.

Define the following terms in relation to asphalt concrete:

a. Air voids

b. Voids filled with asphalt

c. Voids in mineral aggregate

d. Voids in total mix

e. Effective specific gravity

Describe the engineering aspects of the following tests:

a. Dynamic shear rheometer test

b. Bending beam rheometer test

c. Penetration test

 
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