Behaviour of strengthened timber beams using near surface mounted Basalt Fibre Reinforced Polymer (BFRP) rebars

Alfred Gand, David Yeboah, Morteza Khorami, Adegoke Olubanwo, Richard Lumor

Research output: Contribution to journalArticle

1 Citation (Scopus)
77 Downloads (Pure)

Abstract

Reinforcement of structural timber members with fibre reinforced polymer (FRP) rods offers merits over that of the conventional steel type. In recent times, near surface mounted (NSM) FRP reinforcement with timber has emerged as a promising alternative for reinforcing timber structures in both flexural and shear loading configurations. Previous investigations have shown that NSM FRP reinforcement technique has higher bond performance than externally
bonded equivalents because it (NSM FRP technique) is able to utilise the full capacity of the FRP materials. In spite of these merits, the investigations and the use of this innovative technique are limited. In this paper, an experiment was conducted to investigate the bond characteristics and performance of NSM basalt FRP reinforcement with solid timber structures. In order to predict the performance of the reinforced beam structures, unreinforced control timber members of the same timber characteristics were tested. The results showed that the average bond capacity of the NSM FRP reinforced members was 16% higher than the corresponding unreinforced beams.
Original languageEnglish
Pages (from-to)341-352
Number of pages12
JournalEngineering Solid Mechanics
Volume6
Issue number4
Early online date5 Jul 2018
DOIs
Publication statusPublished - 2018

Bibliographical note

This is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY)

Keywords

  • Bonded-in rods
  • Basalt FRP rebars
  • NSM-FRP Fibre reinforced polymer
  • Reinforced timber
  • Timber strengthening

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