Question

Identify the type of pile.

(a) Raymond step taper concrete pile

(b) Friction pile

(c) Raymond Standard concrete pile

(d) Mac Arthur pile

Answer 1

Correct answer is (c) Raymond Standard concrete pile

Explanation: Raymond standard concrete pile consists of a thin corrugated shell closed at the bottom. The shell is driven into the ground with a collapsible Steel mandrel core in it. When the desired depth is reached, the mandrel is collapsed and withdrawn.