- Full integration in RFEM/RSTAB including import of all relevant internal forces
- Intelligent presetting of flexural buckling-specific design parameters
- Automatic determination of the distribution of internal forces and classification according to DIN 18800, Part 2
- Optional import of buckling lengths from the RF-STABILITY/RSBUCK add-on module. For this, a comfortable graphical selection of the relevant buckling mode is possible
- Optimizing Cross-Sections
- Optional calculation according to both design methods of DIN 18800, Part 2
- Automatic determination of the most unfavorable design location, also for tapered members
- Check of c/t-limit values according to DIN 18800, Part 1
- Design of any thin-walled RFEM/RSTAB or SHAPE-THIN section for compression and bending without interaction according to the elastic-plastic method
- Design of I-shaped rolled and welded sections, I-like sections, box sections, and pipes subjected to bending and compression with iteration according to the elastic-plastic method
- Clearly arranged, comprehensible design checks with all intermediate values in the short and long forms
- Parts list of members and sets of members
- Direct export of all results to MS Excel
- A manual with manually calculated examples
Features
Do you have any questions?
![FE Model of Steel Connection](/en/webimage/052000/4028239/1.png?mw=512&hash=9d7f6c198b6d4ae6ee8f2fa8bca75f85579e14c9)
This article draws a parallel between generating an FE mesh for separate objects using the “Independent FE mesh preferred” option, and generating the mesh without using said option.
![Steel Connections Modeled in Steel Joints Add-on](/en/webimage/051920/4022201/EN-DE-1.png?mw=512&hash=93381a43ac2b4cf28461d64455ce2feeb2889924)
In this article, you will learn how to model a simple end plate connection in RFEM 6.
![KB 001884 | AISC Chapter F Lateral Torsional Buckling Versus Eigenvalue Calculation Methods Compared in RFEM 6](/en/webimage/051669/3996729/2024-07-24_15-34-55.png?mw=512&hash=8e8765705188abd3585dcebe00ae04ca6e38b005)
Utilizing the Steel Design Add-on, steel design is possible according to the AISC 360-22 standard. The following article will compare the result output when calculating lateral torsional buckling according to Chapter F vs. an Eigenvalue Analysis.
![KB 001883 | Plate Girder Design According to AISC 360-22 in RFEM 6](/en/webimage/051561/3980997/im1.png?mw=512&hash=b8237709c4f30213fac51d86d32a42bddde72f03)
Plate girder is an economical choice for long spans construction. I-section steel plate girder typically has a deep web to maximize its shear capacity and flange separation, yet thin web to minimize the self-weight. Due to its large height-to-thickness (h/tw) ratio, transverse stiffeners may be required to stiffen the slender web.
![Detail Settings](/en/webimage/006995/472138/000222-de-png.png?mw=512&hash=a53caf2996cedfca8f275f1c9f898b45162617eb)
In a separate dialog box, you can specify extensive detailed settings for the design:
Design Method According to DIN 18800
- Design Method 1 According to El. (321)
- Design Method 2 According to El. (322)
Analysis method
- Elastic-Plastic according to DIN 18800
- Elastic-elastic according to a publication by Kretschmar, J./Österrieder, P./beirow, B.
Limit loading of general sections
- General sections – these include all cross-sections that cannot be assigned to single or double symmetric I-sections, box sections, or pipe sections – can also be designed according to the equivalent member method against flexural buckling. In this case, however, the plastic cross-section properties are determined without interaction conditions. The allowable application limits for this consideration depend on the ratio of the existing internal force to the fully plastic internal force. Five text boxes provide the option for user-defined control.
Check of limit (c/t)
- In this dialog section, you can activate or deactivate the check of c/t ratios.
Treatment of Result Combinations
- When designing a result combination, a result set is obtained due to the result superposition on each member location, which makes it impossible to clearly determine the moment factors. In this section, you can thus freely specify a global moment factor for a result combination design. The predefined values are on the safe side, regardless of the design method.
![.3 Cross-Sections](/en/webimage/006993/472140/000220-de-png.png?mw=512&hash=98361b4517eab53356ec8d9771b98d41ef483332)
- Full integration in RFEM/RSTAB including import of all relevant internal forces
- Intelligent presetting of flexural buckling-specific design parameters
- Automatic determination of the distribution of internal forces and classification according to DIN 18800, Part 2
- Optional import of buckling lengths from the RF-STABILITY/RSBUCK add-on module. For this, a comfortable graphical selection of the relevant buckling mode is possible
- Optimizing Cross-Sections
- Optional calculation according to both design methods of DIN 18800, Part 2
- Automatic determination of the most unfavorable design location, also for tapered members
- Check of c/t-limit values according to DIN 18800, Part 1
- Design of any thin-walled RFEM/RSTAB or SHAPE-THIN section for compression and bending without interaction according to the elastic-plastic method
- Design of I-shaped rolled and welded sections, I-like sections, box sections, and pipes subjected to bending and compression with iteration according to the elastic-plastic method
- Clearly arranged, comprehensible design checks with all intermediate values in the short and long forms
- Parts list of members and sets of members
- Direct export of all results to MS Excel
- A manual with manually calculated examples
![Feature 002820 | Limit Plastic Strain for Welds](/en/webimage/050344/3881226/1.png?mw=512&hash=9d7f6c198b6d4ae6ee8f2fa8bca75f85579e14c9)
In the ultimate configuration of the steel joint design, you have the option to modify the limit plastic strain for welds.
![Component "Base Plate"](/en/webimage/050345/3936120/50345.png?mw=512&hash=3bd641cb1a2445804b338855e4debfc40c6563e9)
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.
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