Begrenzung der Rissbreite nach Eurocode 2 - Erläuterungen zum Beiwert kc

Crack width control according to Eurocode 2 - Explanatory notes on factor kc

Reinforced concrete members are designed now according to EC2. A significant aspect is the determining of the minimum reinforcement area specified in section 7.3.2. Due to the shortened illustrations of the equations (7.1) and (7.2), the mechanical background is difficult to be highlighted. This often results in inaccurate use of the model parameters, which might lead to an unsafe design, particularly for members predominantly reinforced only by the minimum reinforcement. Therefore the mechanical background of the equations (7.1) and (7.2) is focused on in this contribution. Proper discussions and explanations might help the structural engineer in the practical design.