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During site grading, the soil fails to achieve specified compaction despite multiple passes with equipment. What is the most likely cause and corrective action?

Correct Answer

B) All of the above could be factors

Compaction failure can result from excessive lift thickness, incorrect moisture content, or inadequate compaction energy. All factors should be evaluated and corrected.

Answer Options
A
Lift thickness too thick; reduce lift thickness
B
All of the above could be factors
C
Equipment too light; use heavier compactor
D
Moisture content incorrect; adjust moisture

Why This Is the Correct Answer

Compaction failure can result from excessive lift thickness, incorrect moisture content, or inadequate compaction energy. All factors should be evaluated and corrected.

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