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Testing of timber-to-timber screw-connections in hybrid configurations

Sebastian, W; Schiro, G; Giongo, I; Riccadonna, D; Piazza, M; (2018) Testing of timber-to-timber screw-connections in hybrid configurations. Construction and Building Materials , 171 pp. 170-186. 10.1016/j.conbuildmat.2018.03.078. Green open access

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Abstract

This paper presents the results of an extensive experimental study on the short-term mechanical performance of timber screw connections comprising different types of fasteners (inserted at 45° and 90° to the grain) and different timber products (solid sawn timber, glued laminated timber, cross laminated timber and laminated veneer lumber) made from both softwood and hardwood species. Fifty-eight specimens laid out in fourteen arrangements were tested under quasi-static monotonic loading. The test configurations were meant to reproduce connections used in timber-to-timber hybrid composite structures for applications in both new constructions and retrofit interventions. Result comparisons regarding connection stiffness, strength, static ductility, residual strength and failure mode are presented and discussed. Additionally, the experimental data are used to check the extents of validity of existing analytical approaches (mainly developed for softwoods) to screw connections comprising hardwood elements. Practical aspects concerning screw insertion into hardwood elements are also addressed within the paper.

Type: Article
Title: Testing of timber-to-timber screw-connections in hybrid configurations
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.conbuildmat.2018.03.078
Publisher version: http://doi.org/10.1016/j.conbuildmat.2018.03.078
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Hybrid structures, Hardwood, Beech LVL, Timber composite floors, Timber connections, Inclined screws
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10045794
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