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Question
For design, I need the load combinations from 1.00*G + 1.50*Q. How can I generate them automatically?
Question
In FOUNDATION Pro, I get extremely large foundations for my structure or I have to enter a very high loading in order to fulfill the design of the foundation torsion. What can be the reason?
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)?
Question
Does RF‑STEEL AISC perform torsion design per Design Guide No. 9?
Question
When designing seismic equivalent loads with a Response Spectra Analysis (RSA) in RFEM, how can I apply the modal response parameters Ie/R according to Sect. 12.9.1.2 in the ASCE‑7‑16 to my results?
Question
Is the Gust-effect (G or Gf) from the ASCE 7‑16 Sect. 26.11 considered in RWIND Simulation?
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?
Question
Is it possible to perform automatic live load reduction in RFEM or RSTAB per the ASCE, IBC, or NBCC?
Question
What is the formula used to calculate the ASCE 7 wind velocity profile?
Question
Can RF‑STEEL AISC optimize cross-sections for serviceability?
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?
RF-/STEEL Warping Torsion
For which programs is the STEEL Warping Torsion add-on module available?
Imposed Loads with Stiffness Modifications
I have defined temperature loads, strain loads, or a precamber. Once I modify stiffnesses, the deformations are no longer plausible.
Stability Design in RF-STEEL AISC
Why are my steel members not being designed for stability in RF-STEEL AISC?
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?
Effective Lengths for Steel Stability Design
How do I define effective lengths when designing steel members in RFEM 6?
ASCE 7 Orthogonal Directional Combination Procedure
How do I apply the ASCE 7 Orthogonal Directional Combination procedure (100% + 30% rule) to my seismic load in a static analysis?
ASCE 7 Seismic Load Combinations
I do not see the seismic load cases in my generated ASCE 7 load combinations (COs). How do I add them?
ASCE 7 Reduced Live Load Factor
My live load is less than or equal to 100 psf. How do I consider the reduced load factor in the ASCE 7 load combinations?
Redundancy Factors
How do I include the redundancy factor(s) ρ in the ASCE 7 load combinations?
Overstrength Factors
How do I include the overstrength factor(s) Ωo 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?
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?
Standardized Sections for AISI Design
Which standardized sections are valid for AISI cold-formed steel design in RFEM 6?
Custom Sections for AISI Design
Can I design user-defined (parametric) sections according to AISI S100 or CSA S136?
AISI Table B4.1-1 Applicability Limits
Does RFEM check the applicability limits of AISI Table B4.1‑1?
Splice Connection
How do I create a splice connection in the Steel Joints add-on?
AISC 341 Limit State Types
Which Limit State Types are applicable for the AISC 341 seismic design?
- 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