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GGU-SLAB: "Beam material" menu item

You can edit the parameters of any beams defined. A dialog box opens containing a number
of input lines dependent on the number of beam materials specified in "Boundary/Beams"
.

The following designations apply:

  • EJ = Bending stiffness of beam
  • GJ = Torsion stiffness of beam
  • E = Young's modulus of beam
  • G = Rigidity modulus of beam = E/2 · (1 + image-20241105-120612.png)
  • J = Moment of inertia of beam

Due to the fractured tension zone often only a fraction of the theoretical torsional stiffness GJ (often even = 0.0) is adopted for reinforced concrete. If the values are not known, they can be calculated by pressing the "Calculate" buttons.