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Interaction Diagram for Symmetrically Reinforced RC Section
According to Eurocode: EN 1992-1-1

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Cross section dimensions

Width - b = mm, Height - h = mm

Reinforcement

Left - As1 = mm², Right - As2 = As1 mm²

Concrete cover (to the center of the reinforcement)

Left - d1 = mm, Right - d2 = d1 mm

Material properties

Concrete [EN 1992-1-1, Table 3.1]

Characteristic compressive cylinder strength - fck = MPa

Partial safety factors for concrete - γc = 1.5 , αcc =

Steel

Characteristic yield strength - fyk = MPa


Substitute