Design of concrete-filled FRP tubular columns: Provisions in the Chinese technical code for infrastructure application of FRP composites

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Abstract

In recent years, fiber-reinforced polymer (FRP) composites have found wide applications in new construction. A popular type of hybrid member incorporating FRP is the concrete-filled FRP tube (CFFT), consisting of an FRP tube filled with plain or steel-reinforced concrete. CFFTs have several advantages over traditional column forms, including their excellent corrosion resistance and ductility. Much research has been conducted on CFFTs over recent years, but no systematic procedure for designing such members has been developed, which has been one of the factors preventing CFFTs from becoming more widely accepted in practice. This paper presents a summary of the design provisions for CFFTs given in the Chinese Technical Code for Infrastructure Application of FRP Composites and explains the rationale behind these provisions. These provisions have been developed on the basis of available research and work undertaken at The Hong Kong Polytechnic University.
Original languageEnglish
Pages (from-to)451-461
Number of pages11
JournalJournal of Composites for Construction
Volume15
Issue number3
DOIs
Publication statusPublished - 1 May 2011

Keywords

  • Composite columns
  • Concrete
  • Design
  • Fiber-reinforced polymers
  • Tubular columns

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Ceramics and Composites
  • Mechanical Engineering
  • Mechanics of Materials

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