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Instability
My model is unstable. What could be the reason?
Question
What are the stiffness reduction factors k33 and k88 in the Multilayer Surfaces Add-on?
Instability
My model is unstable. What could be the reason?
Automatic Reinforcement Design
Can the RFEM 6 Concrete Design add-on automatically design member and surface reinforcement?
Creating Response Spectrum ASCE 7-22
How can I create a response spectrum according to ASCE 7‑22?
Is the deformation analysis in state II included in the concrete design in RFEM 6?
Is the deformation analysis in state II included in the concrete design in RFEM 6?
Member Design Supports for Deflection Checks
How do I define a member as a cantilever and not as supported at both ends for serviceability or deflection design?
Stress Ratio
The limit stress is activated, but my stress ratio is “non-designable” in the Stress-Strain Analysis add-on. What could be the reason?
Results of Punching | Concrete design in RFEM 6
Where can I find the graphical results of punching shear in the concrete design? Especially the distribution of shear forces at the critical perimeter or the punching loads.
Stiffness Modulus Method
Is it possible to perform an analysis according to the stiffness modulus method in RFEM or RSTAB?
AISC 360-16 Shear Plane in Thread Option
Can I exclude bolt threads from the shear planes according to AISC 360-16 in the Steel Joints Add-on?
Unstable Model - Troubleshooting
My model in RFEM 6 / RSTAB 9 is unstable. How can I fix it?
Splice Connection
How do I create a splice connection in the Steel Joints add-on?
How can I open the interaction diagram from Concrete Design?
How can I open the interaction diagram from Concrete Design?
Why are the members not valid for the Concrete Design add-on?
Why are the members not valid for the Concrete Design add-on?
Is it possible to design single-layer reinforced surfaces with RFEM 6?
Is it possible to design single-layer reinforced surfaces with RFEM 6?
Not Covered Reinforcement on Members | Concrete Design in RFEM 6 and RSTAB 9
Although all the member design checks have been fulfilled, I get the "Not Covered Reinforcement" result. What is the reason?
Uneven Terrain
The terrain surface of my soil to be analyzed is uneven. How can I edit the geometry of my soil massif for the modeling?
Response Spectrum Analysis
How can I perform an earthquake analysis in RFEM 6 and RSTAB 9?
Nominal Reinforcement Bar Size
Can I define a different bar size in the RFEM 6 Concrete Design add-on other than the default bar sizes available in the drop-down?
Export of Response Spectrum
Can I export a response spectrum from RFEM 6 and use it in RFEM 5, for example?
Punching
I would like to perform punching design of a floor slab. I have selected nodes for the design, but they are marked as invalid. Where did I make a mistake?
Creep and Shrinkage of Concrete
Where can I activate creep or shrinkage for concrete design?
How can I check the way RFEM 6 determines the required reinforcement?
How can I check the way RFEM 6 determines the required reinforcement?
- 005113
- Timber Design for RFEM 6
- Timber Design for RSTAB 9
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- Aluminum Design for RFEM 6
- Aluminum Design for RSTAB 9
- Steel Design for RFEM 6
- Steel Design for RSTAB 9
- Stress-Strain Analysis for RFEM 6
- Stress-Strain Analysis for RSTAB 9
- Steel Joints for RFEM 6
- Timber Structures
- Concrete Structures
- Steel Structures
- Structural Analysis & Design
- Eurocode 2
- Eurocode 3
- Eurocode 5
- Eurocode 9