Shear strengthening of un-reinforced concrete masonry walls with fabric-reinforced-cementitious-matrix

Saman Babaeidarabad, Diana Arboleda, Giovanni Loreto, Antonio Nanni

Research output: Contribution to journalArticle

48 Scopus citations

Abstract

In this paper, the in-plane behavior of un-reinforced concrete masonry walls externally strengthened with a fabric-reinforced cementitious matrix (FRCM) system is investigated. The experimental program consists of testing nine un-reinforced concrete masonry walls strengthened on both sides with two different FRCM schemes (one and four reinforcement fabrics). The analytical model as per ACI 549-13 is used to predict the shear capacity of the strengthened walls. The effects of design limitations in the approach proposed by ACI 549-13 are also discussed. Finally, experimental data from other research programs using fiber-reinforced polymer (FRP) composites are presented to demonstrate that when normalized shear capacity is related to a calibrated reinforcement ratio, the two overlay strengthening technologies match well.

Original languageEnglish (US)
Pages (from-to)243-253
Number of pages11
JournalConstruction and Building Materials
Volume65
DOIs
StatePublished - Aug 29 2014

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Keywords

  • Concrete URM
  • Fabric-reinforced-cementitious matrix
  • Retrofitting
  • Shear
  • Strengthening

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Materials Science(all)

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