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Structural performance of the GFRP-reinforced precast concrete no-gap boat ramp plank

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dc.contributor.authorEbrahimzadeh, S.
dc.contributor.authorManalo, A.
dc.contributor.authorAlajarmeh, O.
dc.contributor.authorYang, X.
dc.contributor.authorBenmokrane, B.
dc.contributor.authorSorbello, C.D.
dc.contributor.authorWeerakoon, S.
dc.contributor.authorHassanli, R.
dc.date.issued2025
dc.description.abstractThis study evaluated a new design of boat ramp planks called the “no-gap” concept where individual precast concrete planks reinforced internally with glass fibre-reinforced polymer (GFRP) are linked through GFRP rods to provide integrity. The no-gap boat ramp provides an efficient boating infrastructure with reduced maintenance and ease of manufacturing and assembly process, as well as mitigates the risk of injury, as it removes the grout filled gap that often requires repairs. Five large-scale GFRP-reinforced precast concrete planks with one, two and three segments were manufactured, assembled, and tested to evaluate their performance including load-carrying capacity, strain behaviour, cracking propagation, and failure mechanisms. The study revealed that the presence of the GFRP rod can improve the post-failure behaviour of the GFRP-reinforced precast concrete plank segment. Under flexural-shear loading, joint opening, stress concentration on the rod, and concrete crushing at the joint region were observed. Under only shear loading conditions, the no-gap plank displayed increased joint rotation and stiffness with interlaminar failure of the rod. The gaps in the joint have a negative effect on the flexural performance of the segmental plank, resulting in 37 % and 23 % reductions in initial stiffness and load-carrying capacity, respectively. The numerical model which considers the non-linearity of the concrete, accurately describes the behaviour of the no-gap concrete segmental plank.
dc.identifier.citationEngineering structures, 2025; 335(120289):1-17
dc.identifier.doi10.1016/j.engstruct.2025.120289
dc.identifier.issn0141-0296
dc.identifier.issn1873-7323
dc.identifier.orcidHassanli, R. [0000-0001-5855-6405]
dc.identifier.urihttps://hdl.handle.net/11541.2/43007
dc.language.isoen
dc.publisherElsevier Ltd
dc.relation.fundingCooperative Research Centre Project CRCPXIII000007
dc.relation.fundingDepartment of Transport and Main Roads, Queensland Government
dc.relation.fundingNatural Science and Engineering Council
dc.relation.fundingUniversity of Southern Queensland
dc.rightsCopyright 2025 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/)
dc.source.urihttps://doi.org/10.1016/j.engstruct.2025.120289
dc.subjectsegmental structure
dc.subjectGFRP
dc.subjectflexural behaviour
dc.subjectshear behaviour
dc.subjectnumerical analysis
dc.titleStructural performance of the GFRP-reinforced precast concrete no-gap boat ramp plank
dc.typeJournal article
pubs.publication-statusPublished
ror.fileinfo12301971020001831 13301971010001831 Open Access Published Version
ror.mmsid9916966970901831

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