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Question
In compliance with DIN 1054, the allowable contact stress "Sigma_all" has been entered for the soil contact stress analysis. RF‑FOUNDATION Pro requires a "characteristic value" to be entered. How are both approaches of DIN 1054 and EN 1997‑1 compatible?
Bending Design of Block Foundations
How is the static depth d calculated in the bending design of block foundations (calculation as equivalent beams)?
Question
What is the formula used to calculate the ASCE 7 wind velocity profile?
Question
Which theoretical approaches are used in RF‑/FOUNDATION Pro for pocket foundations with rough bucket sides to divide the forces and moments and carry out the reinforcement layout?
Question
Is the Gust-effect (G or Gf) from the ASCE 7‑16 Sect. 26.11 considered in RWIND Simulation?
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 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?
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?
Question
Can I calculate the spring stiffness of a foundation plate in RFEM 5 or RSTAB 8 with RF‑FOUNDATION Pro and apply this in RFEM?
Question
Is it possible to perform automatic live load reduction in RFEM or RSTAB per the ASCE, IBC, or NBCC?
Overstrength Factors
How do I include the overstrength factor(s) Ωo in the ASCE 7 load combinations?
Question
How can I design a foundation for lifting loads?
Question
How can I enter the earth covering of a bucket foundation up to 10 cm below the top edge of the bucket in RF‑/FOUNDATION Pro?
Question
How can I find out how the self-weight of a foundation plate or any imposed load on the foundation plate is considered in the design checks?
Question
Does the program check the lap length of the vertical stirrups of a block foundation with smooth bucket sides?
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?
Question
I need to define different types of lateral intermediate restrains for a single element in RF-/STEEL EC3. Is this possible?
Question
I have a foundation that is supported by adjoining frost aprons (distorting beam) in one direction (X- or Y-direction). From the determination of internal forces in RFEM, I get the horizontal support forces in the X- and Y-directions. This is correct. However, the foundations in the X-direction are supported due to the ice wall. Is it possible to "switch off" or neglect the support reaction from RFEM for the foundation design in RF‑/FOUNDATION Pro?
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?
Question
Why do I have to define a soil profile in FOUNDATION Pro? I have already specified the allowable soil pressure.
Question
For the foundation design, I need the results (support reactions) of the design situation for "static equilibrium". How do I get them?
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
Can I apply an impact load to the bucket only, instead of to the entire foundation?
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?
Question
Is it correct that the allowable soil pressure has to be entered as the characteristic value in Window 1.1 General Data of FOUNDATION Pro? Will the design value be determined automatically?
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?
- 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