Nonlinear finite element analysis of timber beams and joints using the layered approach and hypoelastic constitutive law

Khorsandnia, N; Valipour, HR; Crews, K

Nonlinear finite element analysis of timber beams and joints using the layered approach and hypoelastic constitutive law

Khorsandnia, N

Valipour, HR Crews, K

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Publication Type:: Journal Article
Citation:: Engineering Structures, 2013, 46 pp. 606 - 614
Issue Date:: 2013-01-01

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Field	Value	Language
dc.contributor.author	Khorsandnia, N https://orcid.org/0000-0002-4026-2553	en_US
dc.contributor.author	Valipour, HR	en_US
dc.contributor.author	Crews, K https://orcid.org/0000-0003-1450-1423	en_US
dc.date.issued	2013-01-01	en_US
dc.identifier.citation	Engineering Structures, 2013, 46 pp. 606 - 614	en_US
dc.identifier.issn	0141-0296	en_US
dc.identifier.uri	http://hdl.handle.net/10453/26320
dc.description.abstract	This paper focuses on development and application of finite element models for nonlinear analysis of timber, timber-concrete composite (TCC) beams and joints. A new piecewise continuous orthotropic failure envelope in the bi-axial stress space is proposed for modelling timber behaviour. The proposed orthotropic surface is simplified based on isotropic behaviour of timber along the grains and the model is formulated within the framework of hypoelastic constitutive law. The developed constitutive law and finite element (FE) models are verified by examples taken from the literature including timber beams with and without notches and holes subject to three- and four-point bending as well as push-out test results of TCC connections. Further, the accuracy and performance of the proposed constitutive law for capturing nonlinear behaviour and failure load of timber beams and connections is compared with orthotropic Hashin damage model. The FE results show good agreement with experimental results in terms of load-displacement response and ultimate loading capacity of members and it is concluded that the developed timber model can adequately capture the global as well as the local behaviour of timber beams and TCC connections. © 2012 Elsevier Ltd.	en_US
dc.relation.ispartof	Engineering Structures	en_US
dc.relation.isbasedon	10.1016/j.engstruct.2012.08.017	en_US
dc.subject.classification	Civil Engineering	en_US
dc.title	Nonlinear finite element analysis of timber beams and joints using the layered approach and hypoelastic constitutive law	en_US
dc.type	Journal Article
utslib.citation.volume	46	en_US
utslib.for	0905 Civil Engineering	en_US
utslib.for	0912 Materials Engineering	en_US
utslib.for	0915 Interdisciplinary Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - CBI - Centre for Built Infrastructure
utslib.copyright.status	closed_access
pubs.publication-status	Published	en_US
pubs.volume	46	en_US

Abstract:

This paper focuses on development and application of finite element models for nonlinear analysis of timber, timber-concrete composite (TCC) beams and joints. A new piecewise continuous orthotropic failure envelope in the bi-axial stress space is proposed for modelling timber behaviour. The proposed orthotropic surface is simplified based on isotropic behaviour of timber along the grains and the model is formulated within the framework of hypoelastic constitutive law. The developed constitutive law and finite element (FE) models are verified by examples taken from the literature including timber beams with and without notches and holes subject to three- and four-point bending as well as push-out test results of TCC connections. Further, the accuracy and performance of the proposed constitutive law for capturing nonlinear behaviour and failure load of timber beams and connections is compared with orthotropic Hashin damage model. The FE results show good agreement with experimental results in terms of load-displacement response and ultimate loading capacity of members and it is concluded that the developed timber model can adequately capture the global as well as the local behaviour of timber beams and TCC connections. © 2012 Elsevier Ltd.

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http://hdl.handle.net/10453/26320