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Behaviour of pultruded beam-to-column joints using steel web cleats
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Qureshi, Jawed and Mottram, J. Toby (2013) Behaviour of pultruded beam-to-column joints using steel web cleats. Thin-Walled Structures, 73 . pp. 48-56. doi:doi.org/10.1016/j.tws.2013.06.019 ISSN 0263-8231.
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WRAP_Mottram_JQ JTM TWS 73 %282013%29 48–56 (1).pdf - Accepted Version Download (1002Kb) | Preview |
Official URL: http://doi.org/10.1016/j.tws.2013.06.019
Abstract
Response of pultruded Fibre Reinforced Polymer (FRP) beam-to-column joints with steel bolted web cleats is studied through physical testing. Two joint configurations are considered with either three or two bolts per cleat leg, as per drawings in a pultruder’s Design Manual. Moment-rotation curves, failure modes and potential performance gains from semi-rigid action are determined from two batches, each having six nominally identical joints. Results show that initial joint properties for stiffness and moment can possess, at 19 to 62%, an extremely high coefficient of variation. All joints failed by fracturing within the FRP column’s flange outstands. Because this failure mode has not been reported previously there is a need to establish how its existence influences joint design. As joint properties for the three- and two-bolted configurations are not significantly different, the middle (third) bolt is found to be redundant. Damage is shown to initiate within the column flange outstands when the mid-span deflection of a 5.08 m span beam, subjected to a uniformly distributed load, is span/500. This is half the serviceability vertical deflection limit recommended in the EUROCOMP Design Code and Handbook. The mean joint moment resistance for design is established to be 2.9 kNm and this is 1.5 times the moment for damage onset.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TH Building construction |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Library of Congress Subject Headings (LCSH): | Architectural design -- Great Britain, Architecture -- Designs and plans, Girders, Structural frames, Girders -- Joints, Joints (Engineering) , Steel, Structural | ||||
Journal or Publication Title: | Thin-Walled Structures | ||||
Publisher: | Elsevier Science Ltd. | ||||
ISSN: | 0263-8231 | ||||
Official Date: | 2013 | ||||
Dates: |
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Volume: | 73 | ||||
Number of Pages: | 9 | ||||
Page Range: | pp. 48-56 | ||||
DOI: | doi.org/10.1016/j.tws.2013.06.019 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Date of first compliant deposit: | 29 February 2016 | ||||
Date of first compliant Open Access: | 29 February 2016 | ||||
Funder: | Engineering and Physical Sciences Research Council (EPSRC), Access Design & Engineering (Telford, UK) | ||||
Grant number: | EP/H042628/1 (EPSRC) |
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