AL Sitework Practice Questions - Alabama Sitework Contractor Examination Exam

Expansive clay soils are problematic for sitework primarily because they:

Never change volume with moisture Swell when wet and shrink when dry, causing heave and settlement that can damage structures and pavements Always classify as stable rock Cannot be excavated with any machine

Correct Answer:

Swell when wet and shrink when dry, causing heave and settlement that can damage structures and pavements

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