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Columns: the maximum area of longitudinal reinforcement As,max

Eurocode 2 part 1-1: Design of concrete structures   9.5.2 (3)


The recommended value for the maximum area of reinforcement As,max is 0,04Ac outside lap locations unless it can be shown that the integrity of concrete is not affected, and that the full strength is achieved at ULS. This limit should be increased to 0,08Ac at laps.

National choice