The design of cold-formed steel members according to the AISI S100-16 / CSA S136-16 is available in RFEM 6. Design can be accessed by selecting “AISC 360” or “CSA S16” as the standard in the Steel Design Add-on. “AISI S100” or “CSA S136” is then automatically selected for the cold-formed design.
RFEM applies the Direct Strength Method (DSM) to calculate the elastic buckling load of the member. The Direct Strength Method offers two types of solutions, numerical (Finite Strip Method) and analytical (Specification). The FSM signature curve and buckling shapes can be viewed under Sections.
Wind loads are also not a problem in your design. You can automatically generate wind loads as member loads or area loads (RFEM) on the following structural components:
With Dlubal, you can safely and easily design structures all over the world. Select from a large number of standards in the Base Data. You can also decide whether to create the combinations automatically.
The following standards are available:
EN 1990
EN 1990 | Timber
EN 1990 | Road Bridges
EN 1990 | Cranes
EN 1990 | Geotechnical Engineering
EN 1990 | Base + Timber
EN 15512
ASCE 7
ASCE 7 | Timber
ACI 318
IBC
CAN/CSA
NBC
NBC | Timber
NBR 8681
IS 800
SIA 260
SIA 260 | Timber
BS 5950
GB 50009
GB 50068
GB 50011
CTE DB-SE
SANS 10160-1
NTC
NTC | Timber
AS/NZS 1170.0
SP 20.13330:2016
TSC | Steel
For the European standards (EC), the following National Annexes are available:
In the "Load Cases & Combinations" dialog box, you have an option to automatically generate load and result combinations as soon as you have selected the corresponding combination expressions. For example, you can also copy or add load cases in a clearly arranged window.
Furthermore, you can manage the load cases and combinations in the tables.
Utilize all the options of the 'Edit Load Cases and Combinations' dialog box to facilitate your work. Here you can automatically create load and result combinations after selecting the corresponding combination expressions. In this clearly arranged dialog box, you can also e.g. to copy, add, or renumber load cases.
Additionally, control the load cases and combinations in Tables 2.1 – 2.6.
The Base Data dialog box includes a wide range of standards and the option to create combinations automatically. The following standards are available:
EN 1990:2002
EN 1990 + EN 1995:2004 (Timber)
EN 1990 + EN 1991-2; Road bridges
EN 1990 + EN 1991-3; Cranes
EN 1990 + EN 1997
to DIN 1055-100:2001-03
DIN 1055-100 + DIN 1052:2004-08 (timber)
DIN 1055-100 + DIN 18008 (Glass)
DIN 1052 (simplified) (timber)
DIN 18800:1990
ASCE 7‑10
ASCE 7-10 NDS (Wood)
ACI 318-14
IBC 2015
CAN/CSA S 16.1-94:1994
NBCC: 2005
NBR 8681
IS 800:2007
SIA 260:2003
SIA 260 + SIA 265:2003 (timber)
BS 5950-1:2000
GB 50009-2012
CTE DB-SE
For the European standards (EC), the following National Annexes are available:
The first window shows the maximum design ratios including the corresponding design of each designed load case, load combination, or result combination.
The other result windows list all detailed results sorted by specific subject in extendable tree menus. All intermediate results along the members can be displayed at any location. In this way, you can easily retrace how the module has performed the individual designs.
The complete module data are part of the RFEM/RSTAB printout report. You can select the report contents and extent specifically for the individual designs.
It is necessary to enter material, load, and combination data in RFEM/RSTAB in compliance with the design concept specified by GB 50017. The RFEM/RSTAB material library already contains the relevant materials.
The RF-/STEEL GB add-on module requires members and sets of members, as well as load cases, load combinations, and result combinations to be designed.
In the subsequent input windows, you can adjust preset definitions of lateral intermediate supports and effective lengths. This setting is then used by the program to determine the critical loads and moments required for the stability analysis in these situations.
Design of tension, compression, bending, shear, and combined internal forces
Stability analysis for flexural buckling and lateral-torsional buckling
Automatic determination of critical buckling loads and overall stability factors for lateral-torsional buckling according to Annex B
Optional application of discrete lateral supports to beams
Automatic local stability analysis and check of plastic design criteria of a cross-section
Deformation analysis (serviceability)
Cross-section optimization
Wide range of cross-sections available, such as rolled I-sections, channel sections, rectangular hollow sections, angles, T-sections. Welded sections: I-shaped (symmetrical and asymmetrical about major axis), channel sections (symmetrical about major axis), rectangular hollow sections (symmetrical and asymmetrical about major axis), angles, round pipes, and round bars
Clearly arranged result tables
Detailed result documentation including references to design equations of the used standard
Various filter and sorting options of results, including result lists by member, cross-sections, x-location, or by load case, load and result combination
Result table of member slenderness and governing internal forces
Wind loads can be automatically generated as member loads or area loads on the following structural components (optional with internal pressure for open buildings):