Question

The types of Raymond concrete piles in use are __________

(a) Raymond standard concrete pile and Raymond step-taper pile

(b) Raymond cased pile

(c) None of the mentioned

(d) All of the mentioned

This question was addressed to me by my college director while I was bunking the class.

I want to ask this question from Cased Cast-in-Situ Concrete Piles in chapter Pile Foundations of Geotechnical Engineering II

Answer 1

Right choice is (a) Raymond standard concrete pile and Raymond step-taper pile

To explain: At present, two types of Raymond piles are in use i) Raymond standard concrete pile and ii) Raymond step-taper concrete pile.