Title:
Experimental Characterization of Glass and Carbon FRCMs for Masonry Retrofitting
Author(s):
Enrico Garbin, Matteo Panizza, Maria Rosa Valluzzi
Publication:
Symposium Paper
Volume:
324
Issue:
Appears on pages(s):
3.1-3.20
Keywords:
Fabric Reinforced Cementitious Matrix (FRCM), Textile Reinforced Mortar (TRM), Masonry, Strengthening, Glass mesh, Carbon mesh.
DOI:
10.14359/51702355
Date:
4/1/2018
Abstract:
In the last decade, Fibre Reinforced Cementitious Matrix (FRCMs) became an interesting inorganic
alternative to the widespread organic-based Fibre Reinforced Polymers (FRPs). FRCMs are more appealing as
retrofitting materials for masonry structures thanks to their generally better compatibility to existing masonry
substrates, especially when lime-based matrices are used. In this framework, two FRCMs were tested to evaluate their
tensile and shear bond mechanical behaviours, when applied to brick masonry prisms. One FRCM was made of a
hydraulic lime mortar coupled with an alkali-resistant glass fibre mesh, while the other was made of a latex-modified
cement mortar coupled with a carbon mesh. Tensile tests and single lap shear tests were performed to characterize the
relevant strengths of the two FRCMs. The objective was the definition of the basic design parameters for the appraisal
of the two FRCMs as strengthening inorganic composite materials for masonry structures. In this paper, the
experimental results will be presented and discussed with the definition of the tensile and bond design strengths of the
two FRCMs. An example of application with related normalized cost estimations is also provided; it showed that the
best trade-off of mechanical performance and cost-effectiveness was given by the carbon mesh FRCM.