Analýza pôsobenia drevených lepených lamelových nosníkov

Abstract eng:
Wood is very complicated structural material. Is strongly anisotropic, has many material characteristics which are very variable. This matter of a fact in generally doesn’t appear in projection of timber structures. Effect of wood anisotropicity and variability can be important from point of view of load-capacity and stiffness in complicated timber structures projection. Complicated load carrying elements are also gluelam beams reinforced with high strength materials, for example reinforced with carbon fibers. In this case is necessary to study wood material specifics influence on timber consequential efficiency. That’s why content of article is theoretical results presentation from parametrical studies, which will make possible to evaluate importance of some timber specifics on beam load-capacity and stiffness. Finally will be possible more effective and efficiency projection for beams of this kind. Analyze is about not reinforced beams as well as carbon fibers reinforced beams. Results are shown by graphs with short comments, and after these results were considered on (9 m length) beams experiment – on harmonogram, size and orientation of measurement.

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