What does the calculation hint "No definite direction of rotation about the pressure point" mean?

Answer

In several individual proofs (for example, column flange on bend) the attacking bending moments are related to the pressure point. The average of the normal force is converted into an additional moment. If the compressive forces predominate, the direction of the moment may reverse and the connection will then be fully pressurized (see picture). There is no longer a clear pressure point.

Keywords

Note, error message, moment, pressure point

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