We provide hints and tips to help you get started with the basic program RFEM.
Create and use the ADETS welded mesh in the RF-CONCRETE Surfaces add-on module of RFEM
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First Steps with RFEM
Description
Concrete on its own is characterized by its compressive strength. An important part of reinforced concrete is reinforcing steel, whicch contributes to both the compressive and tension resistance of the concrete. This reinforcement is generally located in the tension areas of the beams or surface elements (floor slab, wall, shell) to transfer the tensile forces induced by external stresses.
Keywords
Dlubal Knowledge Base Welded Mesh Adets Concrete Reinforced concrete Reinforcement Frame Dlubal KB Knowledge Base Technical Contribution
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Creating and Using ADETS Mesh Reinforcements in RF-CONCRETE Surfaces
Concrete on its own is characterized by its compressive strength. An important part of reinforced concrete is reinforcing steel, which contributes to both the compressive and tension resistance of the concrete.
Material Model Orthotropic Masonry 2D
The material model Orthotropic Masonry 2D is an elastoplastic model that additionally allows softening of the material, which can be different in the local x- and y-direction of a surface. The material model is suitable for (unreinforced) masonry walls with in-plane loads.
- When calculating deformations in RF‑CONCRETE Members, I get jumps in the deformation diagram. Why?
- When determining internal forces in RFEM, I obtain compression axial forces that do not arise in the design internal forces in the design in RF‑CONCRETE Surfaces. Why, what is the reason?
- In connection with the analytical SLS calculation, I get implausibly large values for the crack width and deformation in the RF‑CONCRETE add-on modules. What is the cause and how can I fix the problem?
- Is it possible to export the results from RF‑CONCRETE Surfaces to Excel? For example, I would need the steel stress of serviceability design.
- Is it possible to take a user-defined national annex as a basis for concrete design?
- Is it possible to adjust the initial values of the temperature courses entered for the fire resistance design? For example, I would like to adjust the initial value of the moisture content.
- When designing a plate, I get different reinforcements in different load situations with the same bending stress. Why?
- Regarding a nonlinear analysis of reinforced concrete, is there any feature in the program that increases the load until failure? Or is there any way how to describe the load increment until failure?
- In RF‑CONCRETE Surfaces, I get non-designable situations with a note saying that the shear resistance cannot be checked (cross-section entirely cracked). What is the reason for this message?
- What is the effect of the settings "Approach of pure tension restraint," "Approach of bending restraint," or "Depending on the defined load" for the determination of the minimum reinforcement As,min due to restraint?
