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If the module RF-CONCRETE Surfaces is used for the proof without direct crack width calculation according to EN 1992 7.3.3, is it able to output a required reinforcement with the appropriate diameter?

Answer

The program can only determine a required reinforcement in [cm² / m] using a selected diameter of the longitudinal reinforcement. The basic diameter for the verification of the limitation of the bar diameter is defined in the form 1.4 in the tab "Longitudinal Reinforcement".

Here, both a diameter for the basic reinforcement and a diameter for the reinforcement in the limit state of serviceability can be defined (see Figure 1). The diameter used for the verification according to 7.3.3 is determined by the weighting of the two defined diameters. The basis for this is the ratio of the reinforcement quantities of the existing basic reinforcement and the additional reinforcement set for the GZG (see Figure 2).

Keywords

Limit diameter Indirect limitation of the crack width Indirect calculation Crack proof

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RFEM Main Program
RFEM 5.xx

Main Program

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

Price of First License
3,540.00 USD
RFEM Concrete Structures
RF-CONCRETE 5.xx

Add-on Module

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

Price of First License
810.00 USD