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TitleApplication of near surface mounted (NSM) strengthening technique to traditional timber frame walls
Author(s)Poletti, Elisa
Vasconcelos, Graça
Jorge, Marco António Peixoto
KeywordsTimber frame wall
Cyclic test
Energy dissipation
Issue date2015
JournalConstruction and Building Materials
CitationPoletti, E., Vasconcelos, G., & Jorge, M. (2015). Application of near surface mounted (NSM) strengthening technique to traditional timber frame walls. Construction and Building Materials, 76, 34-50. doi: 10.1016/j.conbuildmat.2014.11.022
Abstract(s)Timber frame buildings are well known as an efficient seismic resistant structure popular all over the world not only due to their seismic performance, but also to their low cost and the strength they offer. These constructions still exist today and it is important to be able to preserve them, so a better knowledge on their behaviour is sought. Furthermore, historic technologies could be used even in modern constructions to build seismic resistant buildings using more natural materials with lesser costs. A great rehabilitation effort is being carried out on this type of buildings, as their neglect has led to decay or their change in use and alterations to the structure has led to the need to retrofit such buildings; only recently studies on their behaviour have become available and only a few of them address the issue of possible strengthening techniques for this kind of walls. In this scope, an innovative retrofitting technique (near surface mounted steel flat bars) is proposed and validated on traditional timber frame walls based on an extensive experimental program. The results of the static cyclic tests on distinct wall typologies retrofitted with the NSM technique are herein presented and discussed in detail. The main features on deformation, lateral stiffness, lateral resistance and seismic performance indexes are analysed
Publisher version
AccessOpen access
Appears in Collections:ISISE - Artigos em Revistas Internacionais

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