✦ LIBER ✦

Stress and failure analysis of wood composites: a new model

✍ Scribed by D.M. Moses; H.G.L. Prion

Publisher: Elsevier Science
Year: 2004
Tongue: English
Weight: 481 KB
Volume: 35
Category: Article
ISSN: 1359-8368
DOI: 10.1016/j.compositesb.2003.10.002

No coin nor oath required. For personal study only.

✦ Synopsis

Structural wood composites are frequently used in building construction for beams and columns. While the technology for the production of these composites is highly advanced, modeling techniques to predict material behaviour in building applications are severely lacking. This paper proposes a material model that is based on orthotropic elasticity, anisotropic plasticity for non-linear behaviour in compression and the Weibull weakest link theory to predict brittle failure. This three-dimensional model is implemented using finite element analysis for two sample cases: the notched shear block specimen and a single-bolt connection specimen. Model output is compared against laboratory test results and provides detailed information on load-displacement, ultimate strength and mode of failure.

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