For the serviceability limit state design, for example for a steel beam, the precamber is not taken into account. Is there a program error or is my input incorrect?

Answer

The deduction of the precamber in the serviceability limit state design is actually not regulated in steel structures. After numerous customer requests, we have adopted this in accordance with the TIMBER or CONCRETE add-on module. However, according to the standard specification, this value should only be considered in the quasi-permanent design combination.
This does not apply to the characteristic and frequent design situation. Thus, as soon as the design situation in the add-on module is adjusted accordingly (see figure), the applied precamber is also subtracted from the resulting deformation.

Keywords

Precamber SLS design Serviceability Deformation analysis

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