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

Tizani, Walid; Pitrakkos, Theodoros

Authors

Theodoros Pitrakkos



Abstract

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.

Journal Article Type Article
Publication Date Oct 1, 2015
Journal Journal of Structural Engineering
Print ISSN 0733-9445
Electronic ISSN 0733-9445
Publisher American Society of Civil Engineers
Peer Reviewed Peer Reviewed
Volume 141
Issue 10
APA6 Citation Tizani, W., & Pitrakkos, T. (2015). Performance of T-stub to CFT joints using blind bolts with headed anchors. Journal of Structural Engineering, 141(10), https://doi.org/10.1061...%29ST.1943-541X.0001169
DOI https://doi.org/10.1061/%28ASCE%29ST.1943-541X.0001169
Publisher URL http://dx.doi.org/10.1061/(ASCE)ST.1943-541X.0001169
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0



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