Integrated Structural and Energy Retrofitting of Masonry Walls: Effect of In-Plane Damage on the Out-of-Plane Response

P. D. Gkournelos, T. C. Triantafillou, D. A. Bournas

Research output: Contribution to journalArticlepeer-review

Abstract

A total of 12 experiments were carried out to evaluate the effect of prior in-plane damage on the out-of-plane response of structurally and thermally retrofitted masonry wallettes, simulating simply the behavior of upgraded masonry infills in frame structures under seismic loading. The specimens were retrofitted with textile-reinforced mortar (TRM), which in some cases was combined with expanded polystyrene as thermal insulation material. Testing comprised in-plane diagonal compression and out-of-plane bending on walls with or without prior in-plane damage. Numerical simulations were also performed using fiber modeling, and they were found in good agreement with test results. The experimental results showed that in-plane loaded walls with TRM only or TRM/insulation retrofitting outperformed significantly their nonretrofitted counterparts. Out-of-plane loaded walls with combined TRM/thermal insulation performed much better than, or at least as well as, their TRM-only retrofitted counterparts, for the case with or without prior in-plane damage, respectively.

Original languageEnglish (US)
Article number04020049
JournalJournal of Composites for Construction
Volume24
Issue number5
DOIs
StatePublished - Oct 1 2020

Keywords

  • Energy retrofitting
  • In-plane loading
  • Masonry walls
  • Out-of-plane loading
  • Strengthening
  • Textile reinforced mortar

ASJC Scopus subject areas

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

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