Out-of-plane shake-table testing of urm gable walls considering different roof configurations
Marta Bertassi (Istituto Universitario di Studi Superiori)
Nicolo Damiani (European Centre for Training and Research in Earthquake Engineering (EUCENTRE), Università di Pavia)
Satyadhrik Sharma (TU Delft - Applied Mechanics)
Marco Smerilli (Istituto Universitario di Studi Superiori)
Michele Mirra (TU Delft - Bio-based Structures & Materials)
Igor Lanese (European Centre for Training and Research in Earthquake Engineering (EUCENTRE))
Elisa Rizzo Parisi (European Centre for Training and Research in Earthquake Engineering (EUCENTRE))
Gerard O'Reilly (Istituto Universitario di Studi Superiori, European Centre for Training and Research in Earthquake Engineering (EUCENTRE))
Francesco Messali (TU Delft - Applied Mechanics)
Francesco Graziotti (European Centre for Training and Research in Earthquake Engineering (EUCENTRE), Università di Pavia)
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Abstract
Typical low-rise masonry buildings worldwide often feature unreinforced masonry (URM) walls paired with pitched roof configurations supported by masonry gables. Past earthquakes indicate that these components are vulnerable to out-of-plane seismic loads. This study presents key findings from the experimental campaign of the ERIES SUPREME project, which aims to advance understanding of the out-of-plane seismic response of masonry gables. Incremental dynamic tests simulating induced and tectonic seismicity scenarios were conducted on three full-scale URM gables, using two shake tables. Differential motions applied to the top and bottom tables allowed the simulation of gable interaction with distinctly different roof configurations. The experimental results are presented in terms of failure mechanisms, force-displacement hysteresis behavior, and acceleration and displacement capacities. These findings will contribute to refining and calibrating existing numerical models.