Development of Braided Basalt FRP Rebar for Reinforcement of Concrete Structures

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Title: Development of Braided Basalt FRP Rebar for Reinforcement of Concrete Structures
Authors: Antonopoulou, Sofia
McNally, Ciaran
Byrne, Greg
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Date: 16-Dec-2016
Abstract: In recent years, the development and use of Fibre Reinforced Polymer composite materials in infrastructure have gained increasing attention worldwide. More specifically, natural mineral fibres such as basalt are currently being developed and are showing promising properties. Within an appropriate polymer matrix, their use as reinforcement in concrete structures offers performance benefits related to their environmentally friendly and non-corrodible nature. In particular, BFRPs have the potential to replace conventional internal steel rebar and thus, to be the next generation material in concrete reinforcement applications. A detailed literature review indicates that a careful selection of the appropriate manufacture technique and design methodology are required in order to prevent brittle failure on a concrete structure reinforced with FRP composite material. This paper reports on how to use the additional helical reinforcement and the braid configuration in order to increase strength, structural ductility and long term durability. Moreover, this study outlines the development of an analytical numerical model to predict the longitudinal elastic modulus of braided composites, as well as its validation by comparison of the results with available data from the literature.
Funding Details: European Commission Horizon 2020
Type of material: Conference Publication
Publisher: The Hong Kong Polytechnic University
Keywords: Fibre Reinforced Polymer (FRP)Basalt fibreBraiding techniqueInfrastructureConcrete reinforcementBFRP rebars
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Language: en
Status of Item: Peer reviewed
Conference Details: 8th International Conference on Fibre-Reinforced Polymer (FRP) Composites in Civil Engineering (CICE 2016), Hong Kong, China, 14-16 December 2016
Appears in Collections:Civil Engineering Research Collection
TRUSS-ITN Research Collection

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