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Mortar-based systems for externally bonded strengthening of masonry

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Abstract

Mortar-based composite materials appear particularly promising for use as externally bonded reinforcement (EBR) systems for masonry structures. Nevertheless, their mechanical performance, which may significantly differ from that of Fibre Reinforced Polymers, is still far from being fully investigated. Furthermore, standardized and reliable testing procedures have not been defined yet. The present paper provides an insight on experimental-related issues arising from campaigns on mortar-based EBRs carried out by laboratories in Italy, Portugal and Spain. The performance of three reinforcement systems made out of steel, carbon and basalt textiles embedded in inorganic matrices has been investigated by means of uniaxial tensile coupon testing and bond tests on brick and stone substrates. The experimental results contribute to the existing knowledge regarding the structural behaviour of mortar-based EBRs against tension and shear bond stress, and to the development of reliable test procedures aiming at their homogenization/standardization.

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Authors and Affiliations

  1. Department of Engineering, Roma Tre University, Rome, Italy

    Gianmarco de Felice, Stefano De Santis & Fabrizio Paolacci

  2. Tecnalia Research and Innovation, Bilbao, Spain

    Leire Garmendia & Pello Larrinaga

  3. Department of Civil Engineering, ISISE, University of Minho, Guimaraes, Portugal

    Bahman Ghiassi, Paulo B. Lourenço & Daniel V. Oliveira

  4. Department of Civil Engineering, University of Patras, Patras, Greece

    Catherine G. Papanicolaou

Authors
  1. Gianmarco de Felice
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  2. Stefano De Santis
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  3. Leire Garmendia
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  4. Bahman Ghiassi
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  5. Pello Larrinaga
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  6. Paulo B. Lourenço
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  7. Daniel V. Oliveira
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  8. Fabrizio Paolacci
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  9. Catherine G. Papanicolaou
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Correspondence to Gianmarco de Felice.

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de Felice, G., De Santis, S., Garmendia, L. et al. Mortar-based systems for externally bonded strengthening of masonry. Mater Struct 47, 2021–2037 (2014). https://doi.org/10.1617/s11527-014-0360-1

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  • DOI: https://doi.org/10.1617/s11527-014-0360-1

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