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Fatigue life of an anchored blind-bolt loaded in tension

Tizani, Walid; Abd Rahman, Norashidah; Pitrakkos, Theodoros

Authors

Norashidah Abd Rahman

Theodoros Pitrakkos



Abstract

This paper investigates and reports on the fatigue behaviour of a novel blind-bolt system termed the Extended Hollo-bolt (EHB). The new blind-bolt is a modified version of the standard Lindapter Hollo-bolt, and its application relates to the construction of bolted, moment-resisting connections between open profile beams and concrete-filled tubular columns. The fatigue behaviour of the system is studied on the basis of constant amplitude loading tests, with a total of 56 experiments being reported. The specimens were subjected to tensile loading for various stress ranges, with the repeated load being selected relative to the design yield stress of the blind-bolt's internal shank. The influence of testing frequency and strength of concrete infill is also examined. An analysis of the results indicates that an increase in the concrete strength can increase the fatigue life of the EHB system. Within the tested range, the failure mode of the EHB under repeated loading was found to be due to internal bolt shank fracture, a mode which is consistent with its monotonic behaviour and also comparable with standard bolt–nut–washer system behaviour. The experimental results (S–N data) were further compared with the Eurocode 3 Part 1-9 guidelines. The fatigue design strength of the anchored EHB blind-bolt is found to be adequately represented by the current specification detail Category 50 that is provided for standard bolting systems.

Journal Article Type Article
Publication Date Feb 1, 2014
Journal Journal of Constructional Steel Research
Print ISSN 0143-974X
Electronic ISSN 0143-974X
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 93
APA6 Citation Tizani, W., Abd Rahman, N., & Pitrakkos, T. (2014). Fatigue life of an anchored blind-bolt loaded in tension. Journal of Constructional Steel Research, 93, https://doi.org/10.1016/j.jcsr.2013.10.002
DOI https://doi.org/10.1016/j.jcsr.2013.10.002
Keywords Blind-bolt; Tubular connections; Fatigue; Frequency; Stress range;
Publisher URL http://www.sciencedirect.com/science/article/pii/S0143974X13002605
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/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-nc-nd/4.0



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