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• Ansell, M
• Smedley, D
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Buildings 2012, 2(3), 231-244; doi:10.3390/buildings2030231

Article

Effects of Reinforcement Geometry on Strength and Stiffness in Adhesively Bonded Steel-Timber Flexural Beams

Parvez Alam ^1,* , Martin Ansell ²  and Dave Smedley ³

¹ Centre for Functional Materials, Abo Akademi University, Porthaninkatu 3, Turku 20500-FIN, Finland ² Department of Mechanical Engineering, University of Bath, Bath BA27AY, UK ³ Rotafix Ltd., Abercraf, Swansea SA9 1UR, UK

* Author to whom correspondence should be addressed.

Received: 2 June 2012 / Accepted: 26 June 2012 / Published: 10 July 2012

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Abstract: A finite element model is developed to analyse, as a function of volume fraction, the effects of reinforcement geometry and arrangement within a timber beam. The model is directly validated against experimental equivalents and found to never be mismatched by more than 8% in respect to yield strength predictions. Yield strength increases linearly as a function of increasing reinforcement volume fraction, while the flexural modulus follows more closely a power law regression fit. Reinforcement geometry and location of reinforcement are found to impact both the flexural properties of timber-steel composite beams and the changes due to an increase in volume fraction.

Keywords: simulation; timber; composites; buildings; materials; structural; mechanics

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