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Mechanical modelling of cavity wall metal ties

Mechanical modelling of cavity wall metal ties

Samenvatting

The seismic assessment of unreinforced masonry (URM) buildings with cavity walls is of high relevance in regions such as in Central and Northern Europe, Australia, New Zealand and China because of the characteristics of the masonry building stock. A cavity wall consists of two separate parallel walls usually connected by metal ties. Cavity walls are particularly vulnerable to earthquakes, as the out-of-plane capacity of each individual leaf is significantly smaller than the one of an equivalent solid wall. This paper presents the results of an experimental campaign conducted by the authors on metal wall tie connections and proposes a mechanical model to predict the cyclic behaviour of these connections. The model has been calibrated by us- ing the experimental results in terms of observed failure modes and force-displacement responses. Results are also presented in statistical format.

OrganisatieHanzehogeschool Groningen
Gepubliceerd in17th World Conference on Earthquake Engineering Sendai, Japan, JPN
Datum2020-02-28
TypeConferentiebijdrage
TaalEngels

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