A dynamic numerical model is developed considering in-plane and out-of-plane behaviour and their interaction for the novel energy dissipating hysteretic infill and conventional brick infill system. The response of three-story infilled buildings under earthquake excitations shows a significant performance improvement in the energy dissipating hysteretic infilled building. The novel infill system resists the formation of the soft-story mechanism with enhanced overall structural performance, and a reduced number of infill failures compared with the conventional infilled buildings. This is mainly due to its low stiffening effect, better post-peak response in the in-plane direction and improved out-of-plane deformation capacity and bi-axial stability.
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Pachappoyil et al. (2024) studied this question.
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