+1 vote
in Geotechnical Engineering II by (93.7k points)
In pressure piles, the soil is excavated by _________

(a) Casing tube

(b) Under-reamer

(c) Concrete plug

(d) All of the mentioned

This question was addressed to me during an interview for a job.

The query is from Bored Piles topic in chapter Pile Foundations of Geotechnical Engineering II

1 Answer

0 votes
by (243k points)
The correct option is (b) Under-reamer

Explanation: Boring tool such as auger working inside the steel tube excavates the soil in pressure piles.

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