SC Asphalt Paving Practice Questions - South Carolina Asphalt Paving Contractor Examination Exam

Why does SCDOT require hydrated lime or an approved liquid anti-stripping agent in HMA?

To darken the mix for better night visibility To improve resistance to moisture damage (stripping) of the asphalt-aggregate bond To replace the need for any binder in the mix To cool the mix so it can be compacted in winter

Correct Answer:

To improve resistance to moisture damage (stripping) of the asphalt-aggregate bond

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