Experimental testing and analytical modelling of glulam moment connections with self-drilling dowels (2021)
An experimental and analytical study on rotational behaviour of glulam beam-column moment connections with self-drilling dowels (SDD) was conducted. Connection properties including strength, stiffness, ductility and energy dissipation were experimentally evaluated by testing seven full-scale connection specimens with and without self-tapping screw (STS) reinforcement along timber perpendicular to grain. All the connections showed high initial stiffness and high moment capacity when compared with the test results of bolted connections reported in literature. The unreinforced connections had relatively low ductility due to timber splitting despite the increased fastener edge distance. The STS reinforcement effectively reduced timber splitting tendency and encouraged the yielding of more SDD, leading to slightly increased moment capacity, but significantly improved ductility. A modified analytical model (MAM) was then proposed to predict strength and rotation of the SDD moment connections based on force and moment equilibrium of the glulam members. Improved prediction accuracy was achieved for the SDD moment connections when compared with the past analytical methods.
CitationDong W, Li M, He M, Li Z (2021). Experimental testing and analytical modelling of glulam moment connections with self-drilling dowels. Journal of Structural Engineering.
This citation is automatically generated and may be unreliable. Use as a guide only.
Keywordsglulam; beam-column connections; moment capacity; self-drilling dowels; experimental testing; analytical model
ANZSRC Fields of Research40 - Engineering::4005 - Civil engineering::400510 - Structural engineering
RightsAll rights reserved unless otherwise stated
Showing items related by title, author, creator and subject.
Analytical derivation and experimental verification of overstrength factors of dowel-type timber connections for capacity design Ottenhaus L-M; Li M; Smith T (2020)In timber structures, connections traditionally provide ductility and energy dissipation under seismic loading. Capacity design ensures that the global structural response is ductile by applying overstrength to the design ...
Cyclic response analysis of high-strength self-compacting concrete beam-column joints: Numerical modeling and experimental validation Soleymani Ashtiani M; Dhakal, Rajesh; Scott ACN (2018)In this paper, finite element analysis software “DIANA” is implemented to simulate quasi-static cyclic loading test results of three full-scale beam-column joints cast with high-strength self-compacting concrete (HSSCC). ...
Li, Minghao; Dong, W. (2019)SFS self-drilling dowels are a special type of metal fasteners in timber construction which can go through relatively thin steel plates and timber members without pre-drilling. The application of SFS dowels makes wood-steel ...