EVALUATION OF MECHANICAL PROPERTIES OF CONCRETE WITH RECYCLED FRP WIND BLADE WASTE MATERIAL

Meiran Abdo*, Eleni Toumpanaki, Andrea Diambra, Gianni Comandini, Lawrence Bank

*Corresponding author for this work

Research output: Contribution to conferenceConference Paperpeer-review

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Abstract

The wider short-lived application of Fibre-Reinforced Polymer (FRP) composites especially in wind turbine blades raises questions about their end-of-life scenarios. A report by the National Composite Centre shows that nearly 14,000 wind turbine blades will be decommissioned globally which will generate nearly 50,000 tonnes of blades to be landfilled (NCC, 2022). Downcycling FRP materials in concrete applications is a promising and low energy intensive method for reducing the landfill amount. This study presents a new type of discrete reinforcing elements for concrete produced from waste FRP composite materials. FRP Needles were derived from reclaimed wind blades made of GFRP and had a length of 50 mm and an aspect ratio of 36. FRP needles were incorporated in concrete to replace 2.5% of the coarse natural aggregate (NA) by volume. The concrete compressive and splitting tensile strength properties were compared with control specimens with 100% coarse natural aggregates. The results suggest that the incorporation of 2.5% FRP needles in concrete results in an increase in split tensile strength and only slight degradation in compressive strength.
Original languageEnglish
Number of pages12
Publication statusPublished - 23 Jul 2023
Event11th International Conference on Fiber-Reinforced Polymer (FRP) Composites in Civil Engineering - Rio De Janeiro, Rio De Janeiro, Brazil
Duration: 23 Jul 2023 → …
Conference number: 11
https://cice2023.org/

Conference

Conference11th International Conference on Fiber-Reinforced Polymer (FRP) Composites in Civil Engineering
Abbreviated titleCICE 2023
Country/TerritoryBrazil
CityRio De Janeiro
Period23/07/23 → …
Internet address

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