Question

Is it true that there is no essential to design nominal reinforcement to piles.

Answer

In BS8110 and BS5400 Pt.4, they need provision of nominal reinforcement for columns. Though, for pile design requirement of nominal reinforcement might not be essential. Initially, as piles are located underground, occurrence of startling loads to piles is rarely. Secondly, shear failure of piles is considered not important to structure because of severe collision. Also, failure of piles by buckling because of fire is unlikely as fire is rarely ignited secretive.