What is the smallest diameter allowed for longitudinal reinforcement bars in a column?

Design of Concrete Structures MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Design of Concrete Structurescivil-engineering-mcqs › design-of-concrete-structures
Published
12 Jan 2019
Last updated
28 May 2026

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Explanation

The minimum diameter specified for longitudinal bars in columns is 12 mm to ensure adequate strength and durability.

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