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Plate or beam web

The general assumption is, that the joint plate is partially fixed by connected members. Therefore, joint plates are verified according to the rules for the class 3 (elastic analysis without local buckling consideration). This assumption has to be respected during the design of joint.

Shear

The design shear resistance is calculated using expression

Where is:

Av

  • The area subjected to shear

The holes are not considered if

Otherwise, the shear resistance is calculated using expression

Where is:

Av,net

  • The net area subjected to shear

Beam web in shear

Beam web is verified with the help of the tearing effective length

using expression

Beam web subjected to shear

Plate in bending

The design bending resistance is calculated according to the chapter 6.2.5 of EN 1993-1-1 (class 3) using expression

Holes are considered if

Combination of shear and bending

If the shear force is smaller than the half of the design shear resistance, the combination of shear and bending is not considered in accordance with the chapter 6.2.8 of EN 1993-1-1. Otherwise, the combination of shear and bending is checked.

The joint plate in joints with angles can be subjected to complicated stresses. In these cases, only horizontal section along the weld is checked. This section is checked for the combination of tension, bending and shear. The sum of forces is checked for the joints with more connected members.

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