I want to design a crack width of 0.1 mm in RF-CONCRETE Surfaces. But when entering '0.10 mm' as the limit value, I get an error message saying that only a range of 0.2 to 0.4 mm can be detected.

Answer

Please deactivate the 'Indirect Calculation' by means of the steelbar diameter 'limit ds' or the steelbar distance 'lim sl'.

The calculation of crack widths smaller than 0.20 mm is only possible via the direct calculation according to EN 1992-1-1, 7.3.4.

Keywords

Crack width Crack width control Serviceability limit state SLS

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RFEM Main Program
RFEM 5.xx

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Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements

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RFEM Concrete Structures
RF-CONCRETE 5.xx

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Design of reinforced concrete members and surfaces (plates, walls, planar structures, shells)

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