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Response of beam-to-column web cleated joints for FRP pultruded members
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Qureshi, Jawed and Mottram, J. Toby (2014) Response of beam-to-column web cleated joints for FRP pultruded members. Journal of Composites for Construction, 18 (2). 04013039. doi:10.1061/(ASCE)CC.1943-5614.0000392 ISSN 1090-0268.
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WRAP_Mottram_8773432-es-291113-qureshi_j__mottram_jt_j_comp_constr_0000293_2104.pdf - Accepted Version Download (360Kb) | Preview |
Official URL: http://dx.doi.org/10.1061/(ASCE)CC.1943-5614.00003...
Abstract
Physical testing is used to characterize the structural properties of beam-to-column joints, comprising pultruded fiber-reinforced polymer (FRP) H-shapes of depth 203 mm, connected by 128 mm-long web cleats and two M16 bolts per leg. Testing is performed on two batches of nominally identical specimens. One batch had web cleats of pultruded FRP and the other had structural steel. The structural behavior of the joints is based on their moment-rotation responses, failure modes, and serviceability vertical deflection limits. Joints with FRP cleats failed by delamination cracking at the top of the cleats, and when the cleats were of steel, the FRP failure occurred inside the column members. Neither failure mode is reported in the design manuals from pultruders. At the onset of the FRP damage, it was found that the steel joints were twice as stiff as the FRP joints. On the basis of a characteristic (damage) rotation, calculated in accordance with Eurocode 0, the serviceability deflection limits are established to be span/300 and span/650 for the joints with FRP and steel cleats, respectively. This finding suggests that appropriate deflection limits, in relation to cleated connections, should be proposed in manufactures’ design manuals and relative design standards and design codes. Failure to address the serviceability, by the engineer of record, could lead to unreliable designs.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Library of Congress Subject Headings (LCSH): | Columns, Girders -- Testing, Engineering models | ||||
Journal or Publication Title: | Journal of Composites for Construction | ||||
Publisher: | American Society of Civil Engineers | ||||
ISSN: | 1090-0268 | ||||
Official Date: | 2014 | ||||
Dates: |
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Volume: | 18 | ||||
Number: | 2 | ||||
Article Number: | 04013039 | ||||
DOI: | 10.1061/(ASCE)CC.1943-5614.0000392 | ||||
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) | ||||
Grant number: | EP/H042628/1 (EPSRC) |
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