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  1. Cantilever with Lateral Support

    Influence of the Parameters for Lateral-Torsional Buckling on the Design in RF-/STEEL EC3

    The input windows in RF-/STEEL EC3 distinguish between the flexural and lateral-torsional buckling analysis. In the following, an example will show the parameters for lateral-torsional buckling.

  2. Stress Analysis of the End Plate According to the Hypothesis of von Mises with RF-STEEL Surfaces

    Designing End Plate Connection of Hollow Sections Under Tension According to the CIDECT Method and by Means of the FEM Model

    A site joint consisting of hollow sections with end plates will be designed. It is the bottom chord of a truss which has to be divided for transport reasons.

  3. Impact of a Passenger Car on a Carport

    Impact Load of a Passenger Car on a Carport

    The fundamental requirements of a structural system are, according to the basis of structural design, sufficient ultimate limit state, serviceability and resistance. Structures must be designed in such a way that no damage occurs due to events such as the impact of a vehicle.

  4. Biaxial Load Eccentricities in Cross-Section

    Designing Reinforced Concrete Compression Elements Subjected to Biaxial Bending with the Nominal Curvature Method

    Daily tasks in reinforced concrete design also include designing compression elements subjected to biaxial bending. The following article describes the different methods according to Chapter 5.8.9, EN 1992-1-1, which can be used to design compression elements with biaxial load eccentricities by means of the nominal curvature method according to 5.8.8.

  5. Structural System, Loading, Internal Forces

    Elastic-Plastic Cross-Section Design

    The following article describes designing a two-span beam subjected to bending by means of the RF-/STEEL EC3 add-on module according to EN 1993-1-1. The global stability failure will be excluded due to sufficient stabilizing measures.

  6. Timber Panel Construction

    Calculating Timber Panel Walls | 1. Determining the Ultimate Limit State and Stiffness

    The stiffening of timber structures is usually carried out by means of timber panels. For this purpose, structural components consisting of slabs (chipboards, OSB) are connected with members. Several articles will describe the basics of this construction method and the calculation in the RFEM program. This first article describes the basic determination of the stiffnesses as well as the calculation.

  7. Option "Nonlinear Calculation" in Window "1.1 General Data" in RF-CONCRETE Members

    Exporting Spring Stiffnesses from RF-/FOUNDATION Pro and the Influence on Column Design

    With RF-FOUNDATION Pro, it is possible to determine settlements of single foundations and resulting spring stiffnesses of the nodal supports. These spring stiffnesses can be exported into the RFEM model and used for further analyses.

  8. Figure 01 - Structural System and Loading

    Comparing Critical Load Factors for Lateral-Torsional Buckling According to Different Methods and Modules

    The critical factor for lateral-torsional buckling or the critical buckling moment of a single-span beam will be compared according to different stability analysis methods.
  9. Figure 01 - Structural System

    Nonlinear Time History Analysis Using the Example of a Tower Structure with Prestressed Cables

    There can be numerous nonlinearities in a structural system. In order to model them realistically in a dynamic analysis, the RF-DYNAM Pro - Nonlinear Time Histoey add-on module was developed. To explain how the add-on module works, the procedure is described below with an example.

  10. Application of Eccentricities in RF-CONCRETE Columns

    When calculating the internal forces for the buckling analysis with the method based on nominal curvature in RF-CONCRETE Columns, the required eccentricities have to be determined.

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