Q.1) Based on your understanding of Aggregate tests answer the following: a. Show the differences between...

Q.1) Based on your understanding of Aggregate tests answer the following:

a. Show the differences between apparent specific gravity and effective specific gravity by drawing sketches for their aggregate particles.

b. Absorption and specific gravity are critical information for the Hot Mix Asphalt design engineer, Why?

c. How you can make check that the fine aggregate sample reaches the SSD case?

Q.2) Based on your understanding of Asphalt cement tests answer the following:

a. Asphalt binder at room temperature is solid. To be able to mix it with aggregate it must become liquid. How you can convert it to a liquid material (show all methods)?

b. Is there a direct measure for asphalt binder aging? Mention it or them and Explain your answer.

c. In solubility test AC should be moisture free, why?

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Ally Wells answered 1 month ago

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