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Design of a welded truss
This technical article deals with the component and cross-section designs of a welded truss in the ultimate limit state. Furthermore, the deformation analysis in the serviceability limit state is described.
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Use of Member Types and Hinges on Truss Example
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Determination of the ideal spring stiffness for lateral supports of buckling members
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AISC Chapter F Lateral Torsional Buckling Versus Eigenvalue Calculation Methods Compared
Design of K-Type Joint Using CHS Sections According to EN 1993-1-8
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Material Database with Steels According to the Australian Standard AS/NZS 4600:2005
The material database in RFEM, RSTAB and SHAPE-THIN contains steels according to the Australian standard AS/NZS 4600:2005.Frequently Asked Questions (FAQ)
- Why do I get a design ratio for the stability analysis according to 6.2.9.1 in the STEEL EC3 add-on module? Why is a * added to Equation (6.36)?
- I design a frame with a taper (docked cross-section). STEEL EC3 classifies the taper in Cross-Section Class 3. Accordingly, the elastic resistances are taken into account, which is very unfavorable. According to the standard, the taper should be categorized in Class 1, and thus the plastic reserve should also be usable.
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I design an eccentrically modeled wall beam in RF‑/STEEL Warping Torsion, which is loaded transversely with a distributed load. While the bending moments in the main program result in zero at the member start and member end due to the hinges, the RF‑/STEEL Warping Torsion add-on module displays moments at these locations, which incorrectly reduces the span moment.
How do I get the boundary moments equal to zero at this point? - How can I design any SHAPE‑THIN cross-section in detail in RFEM or RSTAB?
- Is it possible to deactivate the stability analysis by member within a case in the RF‑/STEEL EC3 add-on module?
- I design a set of members using RF‑/STEEL EC3. In accordance with the manual calculation, the design is fulfilled, but it cannot be performed successfully in the add-on module. Why?
- What is the difference between the RF‑/STEEL and RF‑/STEEL EC3 add-on modules?
- When entering data in the RF‑/STEEL EC3 add-on module, I get the error message "Incorrect location of the intermediate lateral restraint". Why?
- How can I use springs for nodal supports in the design of sets of members in RF‑/STEEL EC3?
- I perform a stability analysis of a beam for lateral-torsional buckling. Why is the modified reduction factor χLT,mod used in the design according to DIN EN 1993‑1‑1, 6.3.3 Method 2? Is it possible to deactivate this?
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Associated Products
RFEM
Steel and Aluminium Structures
Add-on Module
Design of steel members according to Eurocode 3
Price of First License
1,480.00 USD
1,480.00 USD
RSTAB
Steel and Aluminium Structures
Add-on Module
Design of steel members according to Eurocode 3
Price of First License
1,480.00 USD
1,480.00 USD
