Knowledge Base

Useful Program Features

The Knowledge Base includes technical articles on a wide array of structural analysis and design topics.

These articles are intended to help you navigate through the Dlubal programs, learn efficient tips and tricks, and provide further insight into the program features.

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001548 Technical Article Timber Structures RFEM RF-LAMINATE Design ANSI/AWC NDS

2018 NDS Updates for Cross-Laminated Timber Design

The American Wood Council (AWC) has released the 2018 Edition of the National Design Specification (NDS) for Wood Construction. This is the second edition of the NDS to contain a chapter dedicated to cross-laminated timber (CLT) design. Therefore, a couple of revisions were included in the 2018 NDS when compared to the previous 2015 Edition.
001531 Technical Article Timber Structures Laminate, Sandwich & CLT Structures Structural Analysis & Design Finite Element Analysis RFEM RF-/TIMBER Pro RF-/TIMBER AWC RF-/TIMBER CSA RSTAB Modeling | Structure ANSI/AWC NDS CSA 086 Eurocode 5

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.
001508 Technical Article Timber Structures RFEM RF-/TIMBER AWC Add-on Modules ANSI/AWC NDS

Design of Curved Glulam Beams According to ANSI/AWC NDS

RFEM offers the possibility to model also curved beams. To do this, a curved line must be created first (see Figure 01).This line can then be assigned a beam with a cross-section. The advantages over modelling with beam segments are the easier handling during the modelling as well as the clearer results output of the internal forces.