Experimental characterisation of the moment-rotation behaviour of beam-beam connections using compressed wood fasteners
Harte, Annette M.
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Mehra, Sameer, O'Ceallaigh, Conan, Sotayo, Adeayo, Guan, Zhongwei, & Harte, Annette M. (2021). Experimental characterisation of the moment-rotation behaviour of beam-beam connections using compressed wood connectors. Engineering Structures, 247, doi:https://doi.org/10.1016/j.engstruct.2021.113132
The widespread use of energy-intensive metallic connectors and synthetic adhesives in modern timber construction has negative implications for the end-of-life disposal or re-use of the structural timber components. Therefore, it is favourable to substitute metallic connectors and synthetic adhesives with bio-based alternatives such as wood-based connectors. Recent studies have shown that densified or compressed wood (CW) with superior mechanical properties could be suitable for the manufacture of wood-based connectors in the form of CW dowels and CW plates. This study experimentally examines the moment-rotation behaviour of semi-rigid type timber-CW beam-beam connections under pure bending. The study also assesses the suitability of current design rules to predict the moment capacity of timber-CW connections. The comparative study has shown that the moment capacity of the timber-CW connection can be conservatively predicted from the characteristic load-carrying capacity of the connections calculated using the EC 5 strength equations.