Shear strengthening masonry panels with sheet glass-fiber reinforced polymer

T Stratford, G Pascale, O Manfroni, B Bonfiglioli

Research output: Contribution to journalArticlepeer-review

Abstract

This paper investigates strengthening masonry walls using glass-fiber reinforced polymer (GFRP) sheets. An experimental research program was undertaken. Both clay and concrete brick specimens were tested, with and without GFRP strengthening. Single-sided strengthening was considered, as it is often not practicable to apply the reinforcement to both sides of a wall. Static tests were carried out on six masonry panels, under a combination of vertical preload, and in-plane horizontal shear loading. The mechanisms by which load was carried were observed, varying from the initial, uncracked state, to the final, fully cracked state. The results demonstrate that a significant increase of the in-plane shear capacity of masonry can be achieved by bonding GFRP sheets to the surface of masonry walls. The experimental data were used to assess the effectiveness of the GFRP strengthening, and suggestions are made to allow the test results to be used in the design of sheet GFRP strengthening for masonry structures.

Original languageEnglish
Pages (from-to)434-443
Number of pages10
JournalJournal of Composites for Construction
Volume8
Issue number5
DOIs
Publication statusPublished - 2004

Keywords

  • glass fibre reinforced plastics
  • shear strength
  • building materials
  • polymers

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