RF-/HSS Add-on Module for RFEM/RSTAB

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Ultimate Limit State Design of Welded Hollow Section Connections According to EN 1993-1-8:2005 + AC:2009

The RF-/HSS add‑on module analyzes various hollow section connections or designs an existing connection.

It is possible to design planar and spatial truss nodes containing round, square or rectangular hollow sections.

RF-/HSS performs the ultimate limit state design according to the requirements of the following standard:

  •  EN 1993‑1‑8:2005 + AC:2009

  1. Features

    • Integration in RFEM/RSTAB with automatic geometry identification and loading of internal forces
    • Optional manual definition of connections
    • Extensive library of hollow sections for chords and struts:
      • Round sections
      • Square sections
      • Rectangular sections
    • Implemented steel grades: S 235, S 275, S 355, S 420, S 450, and S 460
    • Various types of connection available, depending on the standard specifications:
      • K connection (gap/overlapping)
      • KK connection (spatial)
      • N connection (gap/overlapping)
      • KT connection (gap/overlapping)
      • DK connection (gap/overlapping)
      • T connection (planar)
      • TT connection (spatial)
      • Y connection (planar)
      • X connection (planar)
      • XX connection (spatial)
    • Selection of partial safety factors according to National Annex for Germany, Austria, the Czech Republic, Slovakia, Poland, Slovenia, Switzerland, or Denmark
    • Adjustable angles between struts and chords
    • Optional chord rotation of 90° for rectangular hollow sections
    • Consideration of gaps between struts or overlapping struts
    • Optional consideration of additional nodal forces
    • Design of connections as the maximum ultimate limit state of truss struts for axial forces and bending moments
  2. Connection types - planar and spatial

    Input

    It is possible to select connection nodes graphically in the model of RFEM/RSTAB. Relevant cross-section data and geometry are imported automatically. You can also define the parameters of hollow section connections manually. If necessary, you can modify the sections in the module.

    The default angle between struts and chords can be modified as well. The geometric relation of struts is important for the right design selection. You can define these relations by entering gaps between struts or overlapping struts.

  3. Calculation

    Design

    A successful design is based on plausibility check of geometric conditions.

    The RF-/HSS add-on module performs the calculation for the following designs:

    • Flange failure of chord member due to normal force
    • Shear failure of chord member due to normal force
    • Strut failure due to normal force
    • Punching shear due to normal force
  4. Result evaluation

    Results

    The design includes detailed information about analyzed internal forces, validity limits, and design conditions. Design failures are clearly marked in the result overview.

    All input and result data are also documented in the general RFEM/RSTAB printout report. Separate design cases allow flexible analysis of the individual components in large structures.

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Contattaci

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Contact us or find various suggested solutions and useful tips on our FAQ page.

(267) 702-2815

info-us@dlubal.com

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Price

Price
760.00 USD

The price is valid for United States.

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