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Effective Lengths for Steel Stability Design
How do I define effective lengths when designing steel members 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?
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?
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?
Supports and Loads for Calculation with Warping Torsion
At which point on a cross-section are the supports and loads assumed for the calculation with warping torsion?
Stiffness Modulus Method
Is it possible to perform an analysis according to the stiffness modulus method in RFEM or RSTAB?
Cross-Section Warping
How can I display the cross-section warping?
Warping Spring and Warping Restraint
How can I define a warping spring or a warping restraint?
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?
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?
Overstrength Factors
How do I include the overstrength factor(s) Ωo in the ASCE 7 load combinations?
Redundancy Factors
How do I include the redundancy factor(s) ρ in the ASCE 7 load combinations?
Splice Connection
How do I create a splice connection in the Steel Joints add-on?
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?
Warping Release
How do I set a release for warping?
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?
AISI Table B4.1-1 Applicability Limits
Does RFEM check the applicability limits of AISI Table B4.1‑1?
Standardized Sections for AISI Design
Which standardized sections are valid for AISI cold-formed steel design in RFEM 6?
- 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
Materials of National Annexes
Where can I find the materials for the corresponding National Annexes in RFEM 6 and RSTAB 9?
Deactivating 7th Degree of Freedom by Member
How can I deactivate the 7th degree of freedom for only certain members or cross-sections?
Implausible Results – Torsional Warping
My results of the calculation with Torsional Warping are implausible. What could be the reason?
Small Cohesion for Non-Cohesive Soils
What value can I use for cohesion in order to avoid singularities?
Custom Sections for AISI Design
Can I design user-defined (parametric) sections according to AISI S100 or CSA S136?
Equivalent Round Section Dimension
How is the dimension for an equivalent round section calculated in the Timber Design add-on?
CSA S16 Class 4 Sections
Can I design members with Class 4 sections according to CSA S16 in the Steel Design add-on?
Activating Geotechnical Analysis Add-on
I have a license for the Geotechnical Analysis add-on and it appears as available to me. However, I cannot activate it. What could be the reason?
Setting Deformations to 0
How can I set the deformations from an LC/CO or a construction stage to 0?
Geotechnical Analysis and Load Cases
I want to consider the soil-structure interaction using one of the nonlinear soil material models. Why is it not reasonable to calculate the individual load cases with this model?
Design Cases
Can I use design cases in RFEM 6 in the same way as in RFEM 5?
- 005437
- RFEM 6
- RSTAB 9
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- Steel Design for RFEM 6
- Steel Design for RSTAB 9
- Steel Joints for RFEM 6
- Torsional Warping (7 DOF) for RFEM 6
- Torsional Warping (7 DOF) for RSTAB 9
- Steel Structures
- Structural Analysis & Design
- Stress Analysis
- Stability Analysis
- Warping Torsion Analysis
- Steel Connections
- Cold-Formed Sections
- Eurocode 3
- ANSI/AISC 360
- CSA S16
- IS 800
- GB 50017
- SP 63.13330
- BS 5950-1
- AS 4100
- SIA 263