RF-/STEEL AISC Add-on Module for RFEM/RSTAB

Product Video: Add-on Module RF-/STEEL AISC

Dlubal Webinar: Advanced Steel Design According to US Standard AISC

Webinar: AISC 360-16 Steel Member Design in RFEM

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Design of Steel Members According to American Standard ANSI/AISC 360

The RF-/STEEL AISC add-on module performs the ultimate and the serviceability limit state designs of members and sets of members according to the American standards ANSI/AISC 360‑05, ANSI/AISC 360‑10, and ANSI/AISC 360‑16, including the analysis methods according to:

  •  Load and Resistance Factor Design (LRFD),
  •  Allowable Stress Design (ASD).

  1. Features

    • Design of members and sets of members for tension, compression, bending, shear, combined internal forces, and torsion
    • Stability analysis of buckling and lateral torsional buckling
    • Automatic determination of critical buckling loads and critical buckling moments for general load applications and support conditions by means of a special FEA program (eigenvalue analysis) integrated in the module
    • Alternative analytical calculation of the critical buckling moment for standard situations
    • Optional application of discrete lateral supports to beams and continuous members
    • Automatic cross-section classification (compact, noncompact, and slender)
    • Serviceability limit state design (deflection)
    • Cross-section optimization
    • Wide range of cross-sections available, for example rolled I-sections, C-sections, T-sections, angles, rectangular and circular hollow sections, round bars, symmetrical, asymmetrical and parameterized I- and T-sections as well as angle irons and double angles
    • Clearly arranged input and result windows
    • Detailed result documentation including references to design equations of the standard used
    • 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 window of member slenderness and governing internal forces
    • Parts list with weight and solid specifications
    • Seamless integration in RFEM/RSTAB
    • Metric and imperial units
  2. 1.4 Lateral Intermediate Restraints

    Working with RF-/STEEL AISC

    First, it is necessary to decide whether to perform design according to ASD or LRFD. Then, can you enter the load cases, load combinations, and result combinations to be designed. Load combinations according to ASCE 7 can be generated either manually or automatically in RFEM/RSTAB.

    Further specifications include presetting of lateral intermediate supports, effective lengths, and other standard-specific design parameters such as the modification factor Cb for lateral torsional buckling or the shear lag factor. In the case of continuous members, it is possible to define individual support conditions and eccentricities of each intermediate node of single members. A special FEA tool determines critical loads and moments required for the stability analysis.

    In connection with RFEM/RSTAB, it is possible to apply the Direct Analysis Method taking into account the influence of the general calculation according to the second-order analysis. In this way, you can avoid using special enlargement factors.

  3. 2.2 Design by Cross-Section

    Results

    The first results window shows the maximum design ratios with 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 a member 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 is part of the RFEM/RSTAB printout report. You can select the report contents and the extent of the results specifically for the individual designs.

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Price is only valid for the software usage in United States.

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