Question

The type of bored pile that is suitable for congestion sites?

(a) Under-reamed piles

(b) Bored compaction piles

(c) Pressure piles

(d) Simplex piles

This question was addressed to me in an interview for internship.

This intriguing question comes from Bored Piles in division Pile Foundations of Geotechnical Engineering II

Answer 1

Right choice is (c) Pressure piles

For explanation: Pressure piles are most suitable where heavy pile driving machinery cannot be used and in congested sites because of its compact structure.