If tamping of concrete is provided at regular intervals in a simplex pile, it is called as ________
(a) Simplex standard pile
(b) Simplex tamped pile
(c) Tamped standard pie
(d) None of the mentioned
This question was posed to me in an online interview.
My question comes from Uncased Cast-in-Situ Concrete Piles topic in division Pile Foundations of Geotechnical Engineering II