Compressive Performance of Timber Connections with Steel Fitting Caps and Burring Plates
Abstract
Abstract This study investigates the conditions under which compression members can achieve strength equivalent to or greater than that of tension members, and develops a novel connection system for timber structures suitable for large‐span buildings. Conventional connections in timber trusses, despite their environmental and aesthetic advantages, often exhibit limited strength and ductility. As a result, their structural performance and applicability in large‐span truss systems are restricted compared with steel trusses. To address this challenge, a timber connection method utilizing burring‐processed steel plates and caps has been proposed and is currently under development. In this method, a steel plate with burring on both faces is sandwiched between two timber members, to which steel caps are attached at their ends, and the assembly is fastened with bolts, thereby enhancing stress transfer and structural performance. Compression tests focusing on member length were conducted to investigate the compressive behaviour of the proposed connections, demonstrating the effects of member length and reinforcement on the elasto‐plastic behaviour of compression members. The proposed connection system is expected to enable the construction of highly reliable and rational timber structures.
Reference
Mizuho Sunachi; Teruhisa Tanaka. (2026). Compressive Performance of Timber Connections with Steel Fitting Caps and Burring Plates. ce/papers. https://doi.org/10.1002/cepa.70494
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