Durability of GFRP reinforcement in seawater concrete - Part I

Morteza Khatibmasjedi, Guillermo Claure, Antonio Nanni

Research output: Contribution to conferencePaper

4 Scopus citations

Abstract

This paper presents partial results of an international collaborative project named 'SEACON' that aims at demonstrating the safe and durable utilization of seawater and salt-contaminated aggregates (natural or recycled) for a sustainable concrete production when combined with noncorrosive reinforcement. Seawater and salt-contaminated aggregates use in reinforced concrete (RC) is currently prohibited by building codes due to corrosion of the steel reinforcement. In response to this challenge, concrete made with seawater and salt-contaminated aggregate is combined with noncorrosive reinforcement (i.e. Glass-Fiber-Reinforced-Polymer (GFRP) or stainless steel). The initial results presented herein evaluate the durability of GFRP bars embedded in concrete with no chloride limit. RC specimens were immersed in seawater at 60 °C as accelerated conditioning. The residual mechanical properties (i.e., tensile strength, chord modulus of elasticity, transverse and horizontal shear strength) of the embedded GFRP bars, compared to pristine companion samples tested prior to casting, were evaluated after one-year exposure to accelerated conditioning. The experimental results show that the performance of the GFRP bars embedded in concrete with no chloride limit exposed to accelerated conditioning for one year is at least comparable to pristine rebars.

Original languageEnglish (US)
StatePublished - Jan 1 2017
Event4th Annual Composites and Advanced Materials Expo, CAMX 2017 - Orlando, United States
Duration: Dec 11 2017Dec 14 2017

Other

Other4th Annual Composites and Advanced Materials Expo, CAMX 2017
CountryUnited States
CityOrlando
Period12/11/1712/14/17

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ASJC Scopus subject areas

  • Mechanics of Materials
  • Materials Science(all)
  • Industrial and Manufacturing Engineering
  • Aerospace Engineering
  • Renewable Energy, Sustainability and the Environment

Cite this

Khatibmasjedi, M., Claure, G., & Nanni, A. (2017). Durability of GFRP reinforcement in seawater concrete - Part I. Paper presented at 4th Annual Composites and Advanced Materials Expo, CAMX 2017, Orlando, United States.