In dynamic compaction, what combination of weight and drop height is typical to achieve densification to depths around 30 ft?

In dynamic compaction, what combination of weight and drop height is typical to achieve densification to depths around 30 ft?

• A. 5-ton weights and 20 ft drop
• B. 10-ton weights and 60 ft drop
• C. 30-ton weights and 100 ft drop
• D. 50-ton weights and 200 ft drop

Answer: (C)