Environmental assessment of non-metallic reinforcement for concrete structures as an alternative to steel reinforcement

Authors

  • Nadine Stoiber Research Group for Resource-Efficient Structural Engineering, University of Natural Resources and Life Sciences Vienna, Peter-Jordan-Straße 82, 1190 Vienna, Austria
  • Mathias Hammerl Research Group for Resource-Efficient Structural Engineering, University of Natural Resources and Life Sciences Vienna, Peter-Jordan-Straße 82, 1190 Vienna, Austria
  • Benjamin Kromoser Research Group for Resource-Efficient Structural Engineering, University of Natural Resources and Life Sciences Vienna, Peter-Jordan-Straße 82, 1190 Vienna, Austria

DOI:

https://doi.org/10.14311/APP.2022.33.0585

Keywords:

concrete structures, environmental impact, FRP reinforcement, life cycle assessment, non-metallic reinforcement

Abstract

The concrete industry accounts for a significant amount of CO2 emissions worldwide. One approach to counter this issue includes material reduction of structural components via the use of non-metallic reinforcement, such as carbon, glass and basalt fibre reinforced polymers. On the one hand, non-metallic reinforcement. However, as its environmental impact has not been sufficiently investigated yet, a Life Cycle Assessment of the production phase is presented within this paper. In a first step, the environmental impact of the sole various reinforcement components and types is compared to each other per mass, per tensile or rather yield strength as well as density unit, at which an environmental disadvantage of especially carbon-fibre reinforced polymers is apparent in most cases. In a further step, a focus is put on applying the environmental data of carbon-fibre reinforced polymers to a pedestrian bridge, which is finally compared to a conventionally reinforced concrete bridge and a steel bridge with similar boundary conditions. The latter results indicate that an adequate application of carbon-fibre reinforcement in structural components has the potential to lead to designs of less environmental impact in comparison to conventionally reinforced pendants.

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Published

2022-03-03

How to Cite

Stoiber, N. ., Hammerl, M. ., & Kromoser, B. . (2022). Environmental assessment of non-metallic reinforcement for concrete structures as an alternative to steel reinforcement. Acta Polytechnica CTU Proceedings, 33, 585–590. https://doi.org/10.14311/APP.2022.33.0585