Abstract
Masonry walls are particularly vulnerable against out-of-plane seismic actions. Fabric Reinforced Mortars (FRM) composites, comprising high strength fabrics applied with inorganic matrices, may be used to prevent or delay the onset of collapse mechanisms, and integrated with traditional techniques in compliance with the preservation criteria required for applications to historic structures. This work describes a shake table test carried out on two full-scale wall specimens, one made of two leaves of rubble stones and one of regular tuff blocks. The walls were subjected to out-of-plane vertical bending under seismic base motion. Natural accelerograms were applied in both horizontal and vertical direction with increasing scale factor to collapse. The walls were tested unreinforced, then repaired and strengthened with FRMs, and tested again.
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Acknowledgements
This work was carried out within the Research Projects “Composites with inorganic matrix for sustainable strengthening of architectural heritage” funded by the Italian Ministry for Foreign Affairs (Years 2017–2018, Grant N. PGR00234) and “ReLUIS-DPC 2017”, funded by the Italian Department of Civil Protection. Kerakoll SpA provided cofounding and reinforcement materials.
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De Santis, S., De Canio, G., de Felice, G., Roselli, I. (2020). Seismic Retrofitting of Masonry with Fabric Reinforced Mortar. In: di Prisco, M., Menegotto, M. (eds) Proceedings of Italian Concrete Days 2018. ICD 2018. Lecture Notes in Civil Engineering, vol 42. Springer, Cham. https://doi.org/10.1007/978-3-030-23748-6_26
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DOI: https://doi.org/10.1007/978-3-030-23748-6_26
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