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Question
How do I determine the stiffness center of my structural system?
Question
Why do the results of members and sets of members differ in the design?
Elastic critical moment for lateral-torsional buckling
What are the options in RFEM 5 or RSTAB 8 for determining the ideal elastic critical moment for lateral-torsional buckling for any cross-sections and systems/loads? Is it also possible to design flat steel (brackets, flat steel stringers of staircases)?
Effective Lengths for Steel Stability Design
How do I define effective lengths when designing steel members in RFEM 6?
Question
How can I create a curved or arched section?
Question
I am designing a cross-section created in the SHAPE‑THIN program using the design add-on module, but the program shows the error message "ER006 Invalid type of c/t-part for cross-section of type General". What can I do?
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?
Question
How can I determine loads at particular geographic coordinates in the online service "Snow Load, Wind Speed, and Seismic Load Maps"?
Question
RF‑STEEL AISC add-module shows non-designable results for general cross-sections because of shear buckling checks according to Chapter G. How do I solve this?
Question
How are the location-specific Geo-Zone Tool data queries calculated for the determination of various building loads?
Overstrength Factors
How do I include the overstrength factor(s) Ωo in the ASCE 7 load combinations?
Question
After running the design in RF‑STEEL AISC, I receive error message 1002 - Invalid cross-section of type "Channel" according to F2. What does this error mean?
Splice Connection
How do I create a splice connection in the Steel Joints add-on?
Question
Why is the load value displayed in the online service "Geo-Zone Tool: Snow Load, Wind Speed, and Seismic Load Maps" different from the value in the corresponding standard in some cases?
Redundancy Factors
How do I include the redundancy factor(s) ρ in the ASCE 7 load combinations?
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?
Imperfection from Mode Shape
How do I create an imperfection based on a mode shape in RFEM 6?
Question
I need to define different types of lateral intermediate restrains for a single element in RF-/STEEL EC3. Is this possible?
Question
How do I superimpose generated equivalent loads from the seismic analysis?
Question
Is it possible to perform design for a timber-concrete composite cross-section?
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?
Question
How can I create a drilled beam in RFEM?
Question
Does RF‑STEEL AISC perform torsion design per Design Guide No. 9?
Question
Is it also possible to integrate the online service "Snow Load, Wind Speed, and Seismic Load Maps" into external applications?
- 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?
Question
I am performing a design in RF‑/STEEL AISC for result combinations from RF‑/DYNAM Pro and get the error message "Not designable - Null value of the critical moment on the segment". What should I do?
Importing Properties of Another Element
Is it possible to transfer properties, such as the cross-section, or the surface thickness as well as the material of a surface, of an existing element to a new element?
- 004727
- RFEM 5
- RSTAB 8
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- Concrete Structures
- Steel Structures
- Timber Structures
- Tensile Membrane Structures
- Structural Analysis & Design
- Finite Element Analysis
- Wind Simulation & Wind Load Generation
- Stability Analysis
- Dynamic and Seismic Analysis
- Form-Finding and Cutting Patterns
- Cold-Formed Sections
- Eurocode 1
- Eurocode 3
- Eurocode 5