The problem statement states,

For the plate girder shown below, calculate the:

- Elastic section modulus S and the yield moment My
- Plastic section modulus Z and the plastic moment Mp

Bending is about the strong axis

Material: A572 Grade 50

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# Calculating the Elastic Section Modulus, Sx, and Plastic Section Modulus, Zx, for a Plate Girder Bent About its Strong Axis

June 8, 2017
Abdul Siraj, P.E.

The problem statement states,

For the plate girder shown below, calculate the:

- Elastic section modulus S and the yield moment My
- Plastic section modulus Z and the plastic moment Mp

Bending is about the strong axis

Material: A572 Grade 50