Verification of Circular RC Cross-Section

The program verifies a reinforced concrete pile using the method of limit deformation. The maximum allowable strain of concrete in compression is 0.002 - 0.0035.

The degree of reinforcement is checked using the formula:

  • Column - check for dominant compression

  • Beam - check for dominant bending




pile diameter



reinforcement area

Interaction diagram N-M

Usage ratio of concrete cross-section subject to the combination of bending moment and normal force is determined as |0L| / |0R|. Where L is load and R is strength with prescribed eccentricity.

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