Durability of carbon fiber reinforced polymer (CFRP) with combined use of seawater sea sand concrete (SWSSC)

F. Guo, S. Al-Saadi, R. K.Singh Raman, X. L. Zhao

Research output: Unpublished conference presentation (presented paper, abstract, poster)Conference presentation (not published in journal/proceeding/book)Academic researchpeer-review

3 Citations (Scopus)

Abstract

This paper presents the results of an experimental investigation into carbon fiber reinforced polymer (CFRP) exposed to simulated environments of different types of seawater sea sand concrete (SWSSC) for 3 months under an accelerating condition. Scanning electron microscopy (SEM) revealed interface debonding and matrix degradation in the case of all simulated concrete solutions at 60 °C. However, continuous cracks were found along the interface exclusively in the case of seawater sea sand normal concrete (SWSSNC) and normal concrete (NC) solutions. Such cracks are quite likely to facilitate the penetration of solution into the bulk. The CFRP specimens suffered less weight gain in SWSSC solutions (i.e. SWSSNC, SWSSHPC) than in conventional concrete solutions (i.e. NC, HPC).

Original languageEnglish
Publication statusPublished - 2017
Externally publishedYes
Event6th Asia-Pacific Conference on FRP in Structures, APFIS 2017 - Singapore, Singapore
Duration: 19 Jul 201721 Jul 2017

Conference

Conference6th Asia-Pacific Conference on FRP in Structures, APFIS 2017
Country/TerritorySingapore
CitySingapore
Period19/07/1721/07/17

Keywords

  • CFRP
  • Durability
  • Moisture uptake
  • SEM
  • SWSSC

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Materials Science(all)

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