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A Component model for cyclic behaviour of wooden structures

Rinaldin, Giovanni and Fragiacomo, Massimo (2014) A Component model for cyclic behaviour of wooden structures. In: Aicher, Simon and Reinhardt, Hans-Wolf and Garrecht, Harald (eds). Materials and joints in timber structures: recent developments of technology. Part V. Dordrecht [etc.], Springer Netherlands. p. 519-530. (RILEM Bookseries, 9). ISSN 2211-0844. ISBN 978-94-007-7810-8. eISBN 978-94-007-7811-5. Book Section.

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DOI: 10.1007/978-94-007-7811-5_48

Abstract

Wooden structures have become widespread in several regions of the world, including earthquake-prone areas. An estimation of their dissipative capacity is of fundamental importance for an accurate design for seismic actions. To reproduce the structural behaviour under earthquake excitation, a numerical model was developed and validated on experimental results. The cyclic behaviour of connections for cross-laminated (X-lam) buildings, light-frame construction and moment-resisting frames were schematised by a piecewise linear hysteretic relationship taking into account strength/stiffness degradation, pinching and friction between elements. This relationship was assigned to a non-linear elasto-plastic spring implemented in Abaqus software package. The spring has to be calibrated on experimental tests performed on single connections, which are the only components dissipating energy in the structure. All the other timber components (Xlam panels, timber beams, sheathing panels, etc.) are regarded as linear elastic. In this work, several examples of cyclic analyses of wooden structures are presented, including X-lam buildings, light-frame construction, and moment-resisting frames. Numerical predictions are compared with experimental results demonstrating the effectiveness of the model.

Item Type:Book Section
ID Code:10848
Status:Published
Refereed:Yes
Uncontrolled Keywords:Wooden structures, cyclic behaviour, timber connections, hysteretic rule, pinching effect, X-lam buildings, light frame constructions
Subjects:Area 08 - Ingegneria civile e Architettura > ICAR/09 Tecnica delle costruzioni
Area 08 - Ingegneria civile e Architettura > ICAR/09 Tecnica delle costruzioni
Divisions:001 Università di Sassari > 01-a Nuovi Dipartimenti dal 2012 > Architettura, Design e Urbanistica
Publisher:Springer Netherlands
ISSN:2211-0844
ISBN:978-94-007-7810-8
ISBN:978-94-007-7811-5
Publisher Policy:© RILEM
Deposited On:11 May 2015 11:04

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