Abstract
The main objective of the research reported here was to develop a new hybrid glulam panel that improves the performance of timber structures and optimises the use of wood in such structures. The hybrid panel is produced by combining glulam with short ultra-high-performance fibre-reinforced concrete (UHPC-SFR) planks with or without internal steel or fibre-reinforced polymer (FRP) reinforcement bars. This study presents an experimental programme of tests performed on seven large-scale hybrid panels under four-point bending. The results show that by combining wood and UHPC-SFR, a hybrid panel is obtained with greater bending stiffness and an increased ultimate load capacity. To detail the failure modes and better understand the mechanical behaviour of this hybrid panel, FEM modelling was performed. The results show that it is possible to accurately model bending behaviour and determine the distribution of stress in composite sections.
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