Abstract
ABSTRACTThe influence of oriented strand board (OSB) furnish parameters (strand length, strand width, strand thickness, strand orientation, board density and fines content) on the stress type that initiated failure of OSB under concentrated static load (CSL) was investigated by a mix-level experimental design, test evaluation and finite element (FE) method. The modulus of elasticity (MOE), interlaminar and edgewise shear modulus measured in test were input into the respective FE models developed in this study. By comparing the bending and shear strengths measured in test and related stresses of OSB under CSL simulated by the FE model, the initial failure mode of each type of OSB under CSL was judged. The results showed that stress type causing initial failure under CSL was different if the furnish parameters of OSB panel are different. The developed FE model can predict the behaviour of OSB under CSL.
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