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Buildings 2014, 4(3), 355-374; doi:10.3390/buildings4030355
Article

Experimental and Numerical Analyses of New Massive Wooden Shear-Wall Systems

1,* , 1
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1
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2
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2
 and
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1 Department of Civil, Environmental and Architectural Engineering, University of Padova, Via Marzolo 9, Padova 35131, Italy 2 Trees and Timber Institute, Italian Research Council (CNR IVALSA), Via Biasi 75, San Michele all'Adige (TN) 38010, Italy 3 Cluster Legno & Tecnica Tecnologie Alpine, TIS Innovation Park, Via Siemens 19, Bolzano 39100, Italy
* Author to whom correspondence should be addressed.
Received: 5 March 2014 / Revised: 24 June 2014 / Accepted: 25 June 2014 / Published: 14 July 2014
(This article belongs to the Special Issue Building Performance Analysis and Simulation)

Abstract

Three innovative massive wooden shear-wall systems (Cross-Laminated-Glued Wall, Cross-Laminated-Stapled Wall, Layered Wall with dovetail inserts) were tested and their structural behaviour under seismic action was assessed with numerical simulations. The wall specimens differ mainly in the method used to assemble the layers of timber boards composing them. Quasi-static cyclic loading tests were carried out and then reproduced with a non-linear numerical model calibrated on the test results to estimate the most appropriate behaviour factor for each system. Non-linear dynamic simulations of 15 artificially generated seismic shocks showed that these systems have good dissipative capacity when correctly designed and that they can be assigned to the medium ductility class of Eurocode 8. This work also shows the influence of deformations in wooden panels and base connectors on the behaviour factor and dissipative capacity of the system.
Keywords: timber structures; behaviour factor; seismic design; ductility; massive wooden walls timber structures; behaviour factor; seismic design; ductility; massive wooden walls
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Pozza, L.; Scotta, R.; Trutalli, D.; Pinna, M.; Polastri, A.; Bertoni, P. Experimental and Numerical Analyses of New Massive Wooden Shear-Wall Systems. Buildings 2014, 4, 355-374.

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