In-plane behavior of clay brick masonry wallets strengthened by TRM system

Ali Dalalbashi*, Bahman Ghiassi, Daniel V. Oliveira

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Due to the poor shear capacity of unreinforced masonry (URM) walls, it is necessary to strength these elements in the masonry structures. Textile-reinforced mortar (TRM) composites have received extensive attention as a sustainable solution for seismic strengthening of masonry and historical structures. This new system is composed of textile fibers embedded in an inorganic matrix such as lime-based mortar and is applied on the masonry substrate surface as an externally bonded reinforcement (EBR) system. Lime-based mortars are preferred for application to masonry and historical structures due to compatibility, sustainability issues, breathability and capability of accommodating structural movements. 

Owing to the novelty of these materials in application to masonry structures, several aspects related to their performance with URM wallets ‏are still not clear. To that end, a new study has been lunched that looks at the effect of textile-reinforced mortar system ‏on the improvement the shear capacity of clay brick wallets. For this purpose, hydraulic lime-based mortar and the glass fiber are used, as TRM system. The results show TRM composite increases the ultimate load of strengthened wallet, in comparison to the URM wallet. Another key point to remember is that TRM system causes the failure mode of wallet to change and improve its performance under diagonal compression test.

Original languageEnglish
Title of host publicationProceedings of the 3rd RILEM Spring Convention and Conference (RSCC 2020)
EditorsJosé Sena-Cruz, Luis Correia, Miguel Azenha
Number of pages9
ISBN (Electronic)9783030764654
ISBN (Print)9783030764647, 9783030764678
Publication statusPublished - 14 Jul 2021
Event3rd RILEM Spring Convention and Conference -, Guimarães, Portugal
Duration: 10 Mar 202014 Mar 2020
Conference number: 3rd

Publication series

NameRILEM Bookseries
ISSN (Print)2211-0844
ISSN (Electronic)2211-0852


Conference3rd RILEM Spring Convention and Conference
Abbreviated titleRSCC 2020

Bibliographical note

Funding Information:
Acknowledgements This work was partly financed by FEDER funds through the Competitivity Factors Operational Programme (COMPETE) and by national funds through the Foundation for Science and Technology (FCT) within the scope of project POCI-01-0145-FEDER-007633. The support to the first author through grant SFRH/BD/131282/2017 is kindly acknowledged.


  • Diagonal compression test
  • Glass fiber
  • Hydraulic lime mortar
  • Shear
  • Textile-Reinforced-Mortar (TRM) system

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Mechanics of Materials


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