Tilting tests for masonry structures: design and preliminary numerical modeling

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Tilting tests for masonry structures: design and preliminary numerical modeling
Conference
14th Canadian Masonry Symposium (Montréal, Canada)
Title
Tilting tests for masonry structures: design and preliminary numerical modeling
Authors
C. Colombo, L. Fernandes, N. Savalle, P. B. Lourenço
Date
June 4, 2021
Highlights
  • Design of a tilting table facility (1.5m x 1.5m) with practical experimental lifting setup
  • Micro-modeling strategy for masonry corners with pushover analysis
  • Validation of the numerical scheme on literature experiments
ABSTRACT

The observation of damages caused by past seismic events demonstrated the high vulnerability of masonry systems, which represent intrinsically diverse and complex structures with resistance to horizontal forces highly dependent on the capacity of ensuring a monolithic behaviour. In this framework, tilting tests represent a low-cost and effective strategy to obtain the ultimate shear and out-of-plane capacities of masonry structures. In this work, the design of a large tilting table facility is introduced. Moreover, a Finite Element micro-model numerical simulation is presented, which constitutes a preliminary validation of the modeling methodology adopted. With this aim, the methodology has been validated on experimental data from the literature. Failure mechanisms and collapse load factors are compared after performing a non-linear static analysis, being a suitable tool to simulate the progressive tilting process. Lastly, a sensitivity study is conducted with the aim to investigate and identify the parameters that influence the future tilting tests.

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