Damage Mitigation Strategies of ‘Non-Structural’ Infill Walls: Concept and Numerical-Experimental Validation Program (2011)
AuthorsTasligedik, A.S., Pampanin, S., Palermo, A.show all
In the past design codes, infill panels/walls within frame buildings have been considered as non-structural elements and thus have been typically neglected in the design process. However, the observations made after major earthquakes even in recent times (e.g. Duzce 1999, L’Aquila 2009, Darfield 2010) have shown that although infill walls are considered as non-structural elements, they can interact with the structural system during seismic actions and modify the behaviour of the structure significantly. More recent code design provisions (i.e.,NZS4230, Eurocode 8, Fema 273) do now recognize the complexity of such interactions and require either a) consider these effects of frame-infill interaction during the design and modelling phase or b) assure no or lowinteraction of the two systems with proper detailing and arrangements in the construction phase. However, considering the interaction in the design stage may not be a practical approach due to the complexity itself and in most cases does not solve the actual problem of brittle behaviour and thus damage to the infills. Therefore, the purpose of this particular research is to develop technological solutions and design guidelines for the control or prevention of damage to infill walls for either newly designed or existing buildings. For that purpose, an extensive experimental and numerical research programme has been planned. The concept, background on infill practice in New Zealand and the research programme will be briefly described in this paper.
CitationTasligedik, A.S., Pampanin, S., Palermo, A. (2011) Damage Mitigation Strategies of ‘Non-Structural’ Infill Walls: Concept and Numerical-Experimental Validation Program. Auckland, New Zealand: 9th Pacific Conference on Earthquake Engineering, 14-16 Apr 2011. PCEE 2011: Building an Earthquake-Resilient Society, Paper 120.
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ANZSRC Fields of Research09 - Engineering::0905 - Civil Engineering::090506 - Structural Engineering
09 - Engineering::0905 - Civil Engineering::090503 - Construction Materials