SC Marine Practice Questions - South Carolina Marine Contractor Examination Exam

Jetting is used as a pile-driving aid primarily by which mechanism?

Freezing the soil around the tip Grouting the pile after the last blow Increasing the hammer stroke automatically Delivering a high-velocity water jet at the pile tip or along the sides to loosen soil and reduce resistance

Correct Answer:

Delivering a high-velocity water jet at the pile tip or along the sides to loosen soil and reduce resistance

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