Performance of T-stub to CFT joints using blind bolts with headed anchors

Tizani, Walid and Pitrakkos, Theodoros (2015) Performance of T-stub to CFT joints using blind bolts with headed anchors. Journal of Structural Engineering, 141 (10). 04015001. ISSN 0733-9445

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This paper assesses the performance of a newly developed blind bolt, intended for use in constructing bolted moment-resisting connections to concrete-filled tubular steel profiles. A total of ten connection tests are reported, with each configuration having been subjected to a predominantly tensile force in a representation of the tension region of a typical moment connection. The test variables included type of fastener, addition of concrete to the tube, strength of the concrete, spacing among bolts, and bolt class. On the basis of reformability response, the benefits of filling the tubular member with concrete are highlighted. The favorable performance that results from using a relatively, high-grade concrete infill is also highlighted. The addition of a concrete infill to the tube stiffens and strengthens the otherwise relatively

flexible tube walls, enhancing overall connection behavior in terms of stiffness, strength, and ductility. The performance of connections to concrete-filled tubular steel profiles using blind bolts with headed anchors is shown to be suitable for moment-resisting construction.

Item Type: Article
Schools/Departments: University of Nottingham UK Campus > Faculty of Engineering > Department of Civil Engineering
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Depositing User: Eprints, Support
Date Deposited: 14 Jun 2016 16:42
Last Modified: 15 Sep 2016 22:54

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