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TitleLoad-carrying capacity test of a long-span timber truss
Author(s)Branco, Jorge M.
Varum, Humberto
Ramisote, Vitor
Costa, Aníbal
KeywordsTimber structures
Maintenance & inspection
Rehabilitation, reclamation & renovation
Maintenance & inspection
Rehabilitation, reclamation and renovation
Issue date2016
PublisherICE Publishing
JournalProceedings of the Ice - Structures and Buildings
CitationBranco, J.M., Varum, H., Ramisote, V., Costa, A. (2016), Load-carrying capacity test of a long-span timber truss. Structures and Buildings. 2016, 169(5), pp. 373–387.
Abstract(s)The aim of this work was to study the behavior of existing timber trusses in order to improve the knowledge that may support engineers in the definition of more adequate restoration interventions in old buildings, particularly of long-span timber structures, as industrial or monumental constructions. For this purpose, a cyclic load-carrying test was carried out on a full-scale timber planar truss rescued from an old industrial roof structure. Before the tests, an accurate geometrical characterization was performed and the biological condition of the timber elements was evaluated by non-destructive tests to determine their effective cross-section. The results of the destructive load-carrying test were used to calibrate a numerical model which aimed to assess the effect of the effective cross-sections of the truss components and the axial stiffness of the joints on the overall response observed during loading. The full-scale test performed proved the importance of those kind of tests in order to assess the behavior of existing timber trusses. It is essential to assess the damage of the joints and to model correctly their behavior so as to numerically reproduce the overall behavior of timber trusses.
AccessOpen access
Appears in Collections:ISISE - Artigos em Revistas Internacionais

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