Core testing method to assess nonlinear shear-sliding behaviour of brick-mortar interfaces: A comparative experimental study

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Abstract

In this study, tests on cores and companion tests on triplets are compared with respect to the evaluation of the nonlinear shear-sliding behaviour of masonry, including the determination of post-peak softening response. Due to its slightly-destructive sampling nature and its good agreement with triplet results, the core testing method is confirmed to be a competitive technique for the in-situ assessment of the cohesion, friction coefficient, and shear modulus of mortar. Additionally, the comparisons in terms of dilatancy and energy dissipation, novel aspects with respect to previous studies, provide interesting insights for further research on the cohesive and frictional mechanisms occurring at brick-mortar interfaces.
Original languageEnglish
Article number118236
Number of pages16
JournalConstruction and Building Materials
Volume244
DOIs
Publication statusPublished - 2020

Keywords

  • Cylindrical cores
  • Energy dissipation in shear
  • Nonlinear shear-sliding behaviour
  • Post-peak softening
  • Slightly-destructive sampling method

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