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Bolts gauge effect on the face bending behaviour of concrete-filled hollow section for hollo-bolted connections

Bolts gauge effect on the face bending behaviour of concrete-filled hollow section for hollo-bolted connections

Elamin, Ahmed ORCID: 0000-0003-0783-5185, Tizani, Walid and Mahmood, Mohammed (2015) Bolts gauge effect on the face bending behaviour of concrete-filled hollow section for hollo-bolted connections. In: Applied Mechanics and Materials: International Integrated Engineering Summit 2014. Trans Tech Publications, pp. 105-109. ISSN 1660-9336 (doi:https://doi.org/10.4028/www.scientific.net/AMM.773-774.105)

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Abstract

This paper investigates the effect of bolt gauge on the face bending behaviour of concrete-filled Square Hollow Sections (SHS) in Hollo-Bolted connections. A set of full-scale experiments were undertaken to examine the effects of varying the bolt gauge on the SHS face bending behaviour while controlling all other parameters. Typical experiment involved one row of two bolts pulled out of concrete-filled SHS. A special dummy bolts were manufactured to the exact size and geometry of open Hollo-Bolts, and were used in the experiments to remove the influence of any deformation associated with the real Hollo-Bolts, and isolate the face bending behaviour. Non-contact video-based equipment was used to record the SHS face deformation. This deformation is recorded as force-displacement relationship which is commonly used to represent the structural behaviour of similar components, and typically defined by initial stiffness, yield force and post yield stiffness. Across the range considered in this investigation, it was found that varying the bolt gauge to SHS width ratio have a significant effect on the concrete-filled SHS face in bending component. Both the initial stiffness and the yield force of the component were found to increase with the increase of the bolt gauge. The Post-Yield stiffness was not affected by the change in bolt gauge.

Item Type: Conference Proceedings
Title of Proceedings: Applied Mechanics and Materials: International Integrated Engineering Summit 2014
Uncontrolled Keywords: blind bolts, bolt gauge, face bending, hollow sections
Subjects: Q Science > Q Science (General)
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > School of Engineering (ENN)
Last Modified: 22 Apr 2020 20:28
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
Selected for REF2021: None
URI: http://gala.gre.ac.uk/id/eprint/27481

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