Performance of RC slab-type elements strengthened with fabric-reinforced cementitious-matrix composites

Giovanni Loreto, Lorenzo Leardini, Diana Arboleda, Antonio Nanni

Research output: Contribution to journalArticle

91 Scopus citations

Abstract

The repair and retrofit/rehabilitation of existing concrete and masonry structures have traditionally been accomplished with externally bonded fiber-reinforced polymer (FRP) systems, steel plates, reinforced concrete (RC) overlays, and posttensioning, just to name some of the many techniques presently available. Fabric-reinforced cementitious-matrix (FRCM) composites have recently emerged as an additional strengthening technology. FRCM is a composite material consisting of a sequence of one or more layers of cement-based matrix reinforced with dry-fiber fabric. This paper has three objectives: (1) to review existing guidelines for tensile testing and calculation of FRCM material properties to be used in analysis; (2) to report on some of the results of an experimental program intended to characterize the tensile behavior of FRCM coupons; and (3) to discuss the performance and analysis of concrete RC slab-type elements strengthened with FRCM. The laboratory results demonstrate the technical viability of this new composite material system for strengthening flexural RC members.

Original languageEnglish (US)
Article numberA4013003
JournalJournal of Composites for Construction
Volume18
Issue number3
DOIs
StatePublished - Jun 1 2014

Keywords

  • Fabric reinforced cementitious matrix
  • Flexural behavior
  • Reinforced concrete
  • Repair
  • Slabs
  • Strengthening

ASJC Scopus subject areas

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

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