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The plastic bending moment is calculated only for doubly symmetrical I-sections as described in the table below. It can be reduced in case of high shear force and/or high normal force. The condition for reducing these bending moment resistances is described in the next paragraph.
| Axis system | Plastic bending moment resistance | Reduced plastic bending moment resistance for high normal force |
Reduced plastic bending moment resistance for high shear force |
Reduced plastic bending moment resistance for high normal force and high shear force |
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| z-z |
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with:
The plastic moment resistance My,pl,Rdis reduced into My,N,Rd if the condition below is fulfilled:
The plastic moment resistance Mz,pl,Rdis reduced into Mz,N,Rd if the condition below is fulfilled:
The plastic moment resistance My,pl,Rdis reduced into My,V,Rd if the condition below is fulfilled:
The plastic moment resistance Mz,pl,Rdis reduced into Mz,V,Rd if the condition below is fulfilled:
