Seismic demand on a unreinforced masonry wall restrained by elasto-plastic tie-rods under earthquake sequences
Existing masonry buildings show significant vulnerability to seismic sequences. This topic has so far received limited attention, concentrated on simplified simulations of the global response, governed by in-plane wall behaviour, or on a very detailed representation of monumental buildings. This paper looks at the out-of-plane response of an ordinary-building wall restrained by an elastoplastic tie-rod under Italian seismic sequence conditions. A recently proposed model is extended to account for a flexible interface defined by its compressive strength and stiffness.