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Instability
My model is unstable. What could be the reason?
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?
Automatic Reinforcement Design
Can the RFEM 6 Concrete Design add-on automatically design member and surface reinforcement?
Effective Lengths for Steel Stability Design
How do I define effective lengths when designing steel members in RFEM 6?
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?
Unsymmetrical Cross-Section (UPE)
I am having trouble with the design of a steel structure. For a singly symmetric cross-section (UPE), the program cannot perform the stability analysis. It reports that the Equivalent Member Method 6.3.3 is not applicable for an unsymmetrical cross-section. Is it possible to design such cross-sections in the program?
Adapted Method (Enable Double Bending)
I cannot analyze a UPN cross-section subjected to double bending in the program. Is it possible to do this in the program?
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?
Stiffness Modulus Method
Is it possible to perform an analysis according to the stiffness modulus method in RFEM or RSTAB?
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.
Design of Member Sets
I have activated Steel Design in my model and defined design types for the members. Why can I not design the superordinate member set?
Overstrength Factors
How do I include the overstrength factor(s) Ωo in the ASCE 7 load combinations?
Unstable Model - Troubleshooting
My model in RFEM 6 / RSTAB 9 is unstable. How can I fix it?
Redundancy Factors
How do I include the redundancy factor(s) ρ in the ASCE 7 load combinations?
Why are the members not valid for the Concrete Design add-on?
Why are the members not valid for the Concrete Design add-on?
How can I open the interaction diagram from Concrete Design?
How can I open the interaction diagram from Concrete Design?
Exclude Lateral Torsional Buckling Check
My beam has a continuous lateral support and therefore lateral torsional buckling (LTB) is not a concern. How do I define the effective length?
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?
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?
AISI Table B4.1-1 Applicability Limits
Does RFEM check the applicability limits of AISI Table B4.1‑1?
Creep and Shrinkage of Concrete
Where can I activate creep or shrinkage for concrete design?
Standardized Sections for AISI Design
Which standardized sections are valid for AISI cold-formed steel design in RFEM 6?
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?
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