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  1. 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.

  2. Influence of the Load Duration on the Design Value of the Strength

    Load Combinations in Timber Structures for European and American Timber Standards

    In addition to determine loads, there are some particularities concerning the load combinatorics in timber design which have to be considered. Contrary to steel structures where the largest loading results from all unfavorable actions, in timber construction, the strength values are dependent on the load duration and the timber humidity. Special characteristics have to be considered as well for the serviceability limit state design. The following article discusses the effects on the design of wooden elements and how this is possible with RSTAB and RFEM.

  3. Structural System and Cross-Section Dimension According to [1]

    Modeling of Semi-Rigid Composite Beam Made of Timber as Surface Model

    There are several options to calculate a semi-rigid composite beam. They differ primarily in the type of modeling. Whereas the Gamma method ensures a simple modeling, additional efforts are required when using other methods (e.g. shear analogy) for the modeling which are, however, offset by the much more flexible application compared to the Gamma method.
  4. Design of Notches and Cross-Section Reductions in TIMBER Add-on Modules

    Design of Notches and Cross-Section Reductions in Timber Add-on Modules

    As of the program version X.06 of the add‑on modules RF‑/TIMBER Pro, RF‑/TIMBER AWC and RF‑/TIMBER CSA, it is possible to consider notches and cross‑section reductions in the design. The procedure is as follows.

  5. SLS Checks Taking into Account the Resulting Deformation

    SLS Checks Taking into Account Resulting Deformation

    In the add‑on modules RF‑/TIMBER Pro, RF‑/TIMBER AWC, and RF‑/TIMBER CSA, you can now take into account the resulting deformation of a member or set of members. In addition to the local directions y and z, you also have the option “R.” This allows you to compare the total deflection of a girder to the limit values given in the standards.

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