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FAQ 002249 EN

1 December 2017

Add-on Modules RF-CONCRETE

In the design of biaxially tensioned plates in RF-CONCRETE Surfaces, I get a minimum reinforcement in both slab directions. Is it possible to set in the add-on module where the minimum reinforcement is to be applied?

Answer

According to EN1992-1-1, clause 9.3.1, a minimum reinforcement must be placed in the plate's principal direction of tension to ensure a ductile structural component behavior. By default, RF-CONCRETE Surfaces selects the option "Reinforcement option with main tension force in the considered element." Now, this means that for each element, the greatest tension force is searched for each reinforcement direction and for the top surface (-z) and bottom surface (+ z). If the maximum tension force was found for the single element, the minimum reinforcement is applied there. If you want to arrange the minimum reinforcement for biaxially tensioned plates only in the principal direction of tension, for example, you can specifically control it by the user. To do this, open the dialog box "Settings of the Minimum Reinforcement with Ductile Structural Element Behavior." By selecting "Define", you can specifically specify in which direction and on which side of the structural component the minimum reinforcement is to be arranged.

Keywords

Minimum Reinforcement RF-CONCRETE Surfaces Biaxial Principal tension direction Ductile structural component behavior Reinforcement

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RFEM Concrete Structures
RF-CONCRETE 5.xx

Add-on Module

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

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