- Import of materials, cross-sections, and internal forces from RFEM/RSTAB
- Steel design of thin‑walled cross‑sections according to EN 1993‑1‑1:2005 and EN 1993‑1‑5:2006
- Automatic classification of cross-sections according to EN 1993-1-1:2005 + AC:2009, Cl. 5.5.2, and EN 1993-1-5:2006, Cl. 4.4 (cross-section class 4), with optional determination of effective widths according to Annex E for stresses under fy
- Integration of parameters for the following National Annexes:
- DIN EN 1993-1-1/NA:2015-08 (Germany)
- ÖNORM B 1993-1-1:2007-02 (Austria)
- NBN EN 1993-1-1/ANB:2010-12 (Belgium)
- BDS EN 1993-1-1/NA:2008 (Bulgaria)
- DS/EN 1993-1-1 DK NA:2015 (Denmark)
- SFS EN 1993-1-1/NA:2005 (Finland)
- NF EN 1993-1-1/NA:2007-05 (France)
- ELOT EN 1993-1-1 (Greece)
- UNI EN 1993-1-1/NA:2008 (Italy)
- LST EN 1993-1-1/NA:2009-04 (Lithuania)
- UNI EN 1993-1-1/NA:2011-02 (Italy)
- MS EN 1993-1-1/NA:2010 (Malaysia)
- NEN EN 1993-1-1/NA:2011-12 (Netherlands)
- NS EN 1993-1-1/NA:2008-02 (Norway)
- PN EN 1993-1-1/NA:2006-06 (Poland)
- NP EN 1993-1-1/NA:2010-03 (Portugal)
- SR EN 1993-1-1/NB:2008-04 (Romania)
- SS EN 1993-1-1/NA:2011-04 (Sweden)
- SS EN 1993-1-1/NA:2010 (Singapore)
- STN EN 1993-1-1/NA:2007-12 (Slovakia)
- SIST EN 1993-1-1/A101:2006-03 (Slovenia)
- UNE EN 1993-1-1/NA:2013-02 (Spain)
- CSN EN 1993-1-1/NA:2007-05 (Czech Republic)
- BS EN 1993-1-1/NA:2008-12 (the United Kingdom)
- CYS EN 1993-1-1/NA:2009-03 (Cyprus)
- In addition to the National Annexes (NA) listed above, you can also define a specific NA, applying user‑defined limit values and parameters.
- Automatic calculation of all required factors for the design value of flexural buckling resistance Nb,Rd
- Automatic determination of the ideal elastic critical moment Mcr for each member or set of members on every x-location according to the Eigenvalue Method or by comparing moment diagrams. You only have to define the lateral intermediate supports.
- Design of tapered members, unsymmetric sections or sets of members according to the General Method as described in EN 1993-1-1, Cl. 6.3.4
- In the case of the General Method according to Cl. 6.3.4, optional application of "European lateral-torsional buckling curve" according to Naumes, Strohmann, Ungermann, Sedlacek (Stahlbau 77 [2008], pp. 748‑761)
- Rotational restraints can be taken into account (trapezoidal sheeting and purlins)
- Optional consideration of shear panels (for example, trapezoidal sheeting and bracing)
- RF-/STEEL Warping Torsion module extension (license required) for stability analysis according to the second-order analysis as stress analysis including consideration of the 7th degree of freedom (warping)
- Module extension RF-/STEEL Plasticity (license required) for plastic analysis of cross‑sections according to Partial Internal Forces Method (PIFM) and Simplex Method for general cross‑sections (in connection with the RF‑/STEEL Warping Torsion module extension, it is possible to perform the plastic design according to the second‑order analysis)
- Module extension RF-/STEEL Cold-Formed Sections (license required) for ultimate and serviceability limit state designs for cold-formed steel members according to the EN 1993-1-3 and EN 1993-1-5 standards
- ULS design: Selection of fundamental or accidental design situations for each load case, load combination, or result combination
- SLS design: Selection of characteristic, frequent, or quasi-permanent design situations for each load case, load combination, or result combination
- Tension analysis with definable net cross-section areas for member start and end
- Weld designs of welded cross-sections
- Optional calculation of warp spring for nodal support on sets of members
- Graphic of design ratios on cross-section and in RFEM/RSTAB model
- Determination of governing internal forces
- Filter options for graphical results in RFEM/RSTAB
- Representation of design ratios and cross‑section classes in the rendered view
- Color scales in result windows
- Automatic cross-section optimization
- Transfer of optimized cross-sections to RFEM/RSTAB
- Parts lists and quantity surveying
- Direct data export to MS Excel
- Verifiable printout report
- Possibility to include the temperature curve in the report
RF-/STEEL EC3 | Features
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