Question
Is it also possible to determine the stiffnesses of an existing column instead of a fixed nodal support?
Answer:
Yes, it is. This requires the activation of the elastic foundation in the "Edit Nodal Support" dialog box. On the basis of some input parameters, such as support type, column shape, material, and column height, the program determines the springs of the column (see Image 01).In addition to the elastic support, another advantage is that the surface area of the column cross-section is deactivated when displaying the results. Therefore, singularities are hidden; thus, the concrete design applies design cross‑sections.
Do you have any questions?
DIN EN 1998-1 with the National Annex DIN EN 1998-1/NA specifies how to determine seismic loads. The standard applies to structural engineering in seismic areas.
In Germany, DIN EN 1991-1-4 with the National Annex DIN EN 1991-1-4/NA regulates the wind loads. The standard applies to civil engineering works up to an altitude of 300 m.
In Germany, DIN EN 1991-1-3 with National Annex DIN EN 1991-1-3/NA regulates snow loads. The standard applies to civil engineering works at altitudes of up to 1,500 m above sea level.
The three types of moment frames (Ordinary, Intermediate, Special) are available in the Steel Design add-on of RFEM 6. The seismic design result according to AISC 341-22 is categorized into two sections: member requirements and connection requirements.
When generating shear walls and deep beams, you can assign not only surfaces and cells, but also members.
In the Concrete Design add-on, you have the option to define an existing vertically oriented punching shear reinforcement. This is then taken into account in the punching shear design.
In the ultimate configuration of the steel joint design, you have the option to modify the limit plastic strain for welds.
The "Base Plate" component allows you to design base plate connections with cast-in anchors. In this case, plates, welds, anchorages, and steel-concrete interaction are analyzed.
I just have to calculate an open hall with low roof loads and, compared to them, relatively high wind loads. In theory, it is necessary to perform the lateral-torsional buckling design of the bottom flange. Unfortunately, the combination 1.0*G + 1.5*W is missing.
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