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Subject = oriented strandboard;
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Displaying Results 1 - 2 of 2 on page 1 of 1
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A probabilistic approach to the simulation of non-linear stress-strain relationships for oriented strandboard subject to in-plane tension
(2018)
McTigue, Antony T.; Harte, Annette M.
A probabilistic approach to the simulation of non-linear stress-strain relationships for oriented strandboard subject to in-plane tension
(2018)
McTigue, Antony T.; Harte, Annette M.
Abstract:
This paper presents the results from an experimental test program conducted on commercially available oriented strandboard (OSB) panels and statistical analyses of the results. Standardised testing was used to determine the short-term behaviour of OSB/3 panels subjected to tension loading. A variety of thicknesses sourced from three different producers were used. Analysis of the results indicate that a quadratic expression in the form of sigma = a epsilon(2) + b epsilon provides the best description of the relationship between stress (sigma) and strain (epsilon) up to the point of failure. It has also been shown that the coefficients a and b of the quadratic regression equations are negatively correlated to each other. Anderson-Darling goodness-of-fit tests were conducted on the results for tension strength and modulus of elasticity (MOE). The results indicate that the tension strength and MOE come from populations that follow either normal or lognormal probability distributions.
http://hdl.handle.net/10379/12847
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A Unified Probabilistic Approach for Predicting the Structural Response of Oriented Strandboard
(2013)
McTigue, Anthony
A Unified Probabilistic Approach for Predicting the Structural Response of Oriented Strandboard
(2013)
McTigue, Anthony
Abstract:
Oriented strandboard (OSB) is a wood-based composite manufactured from elongated wood-strands coated in a resin binder that are oriented and arranged in layers, cross-laminated and hot pressed to form large panels. OSB is a highly complex material that requires a large number of parameters to fully define its internal structure and mechanical behaviour. The variability of the defining parameters further adds to the complexity. Current design and production practices rely on highly-simplified, deterministic methods where many of the defining parameters and their variability are omitted and replaced with high safety factors. Reliability methods offer significant potential for improved efficiency in the OSB industry. However, such methods require knowledge of the stochastic properties, mechanical behaviour and relationships between parameters as well as appropriate modelling and analysis tools. In this thesis, a new approach to predicting the mechanical behaviour and associated variabi...
http://hdl.handle.net/10379/3101
Displaying Results 1 - 2 of 2 on page 1 of 1
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