External jacketing of unreinforced historical masonry piers with open-grid basalt-reinforced mortar

P.E. Mezrea, I.A. Yilmaz, M. Ispir, E. Binbir, I.E. Bal, A. Ilki

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Abstract

Existing unreinforced masonry buildings in seismically active regions are in urgent need of consolidation and preservation against seismic action to prevent damage and loss of financial resources. In this research, an experimental study of externally confined brick masonry piers, which are frequently preferred as load-bearing elements in historical buildings, was conducted. The confinement system included a combination of open-grid basalt textile and mortar. Eighteen masonry pier specimens were produced using solid bricks collected from a historical building constructed in approximately the 1930s and a local mortar with substandard mechanical characteristics to simulate mortar properties in existing heritage buildings. All the square/rectangular pier specimens were tested under concentric compressive loads. In general, confinement of the tested textile-reinforced mortar (TRM) improved the energy dissipation of the masonry piers significantly. A comparison was made between the experimental results and theoretical predictions using the available analytical models. The compressive strengths predicted by the models are satisfactory.
Original languageEnglish
Number of pages16
JournalJournal of Composites for Construction
Volume21
Issue number3
DOIs
Publication statusPublished - 2017

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Keywords

  • earthquakes
  • buildings

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