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Verification of Rectangular Cross Section Made of Plain Concrete

The cross-section is rectangular, loaded by the bending moment M, normal force P (applied in the cross-section centroid), and by the shear force Vn.

The shear strength is provided by (Art. 22.5.5, Art. 14.5.5.1):

Strength of concrete cross-section subject to the combination of bending moment and normal force is derived from the following expressions (Art. 21.2, Art. 14.5.2-4):

for compression side:

where:

for tension side:

where:

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