Abstract
AbstractThe response of masonry walls to loading depends to many factories: strength of units, thickness of bed mortar, presence of infilled mortar joints, arrangements of units and joints, and to direction of loads respect to mortar joints. Nowadays, a common method for improving the mechanical tensile strength of masonry is to strengthen old masonry structures in seismic areas with externally bonded (EB) Fiber Reinforced Polymers (FRPs). EB FRP strips are typically used to increase the historic masonry walls’ shear capacity under in-plane loading although the response of strengthened walls has not been deeply analysed considering the inclination of FRP strips respect the mortar bed joints. In this work, the strength of brickwork masonry walls strengthened by Basalt FRP and Glass-FRP strips with different strengthening inclinations has been experimentally analysed by diagonal compression tests. Finally, discussion and comparison of results obtained by experimental campaign have been developed to evaluate the efficiency of the different strengthening configurations in terms of strength and mechanism of failure.KeywordsBrickwork masonryDiagonal compression testsGlass-Basalt FRP strips
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