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Reflection-Mode Digital Gradient Sensing Technique for Experimental Fracture Mechanics Read chapter Read first chapter

2016 | OriginalPaper | Chapter

29. Crack Analysis of Wood Under Climate Variations

Authors : Nicolas Angellier, Rostand Moutou Pitti, Frédéric Dubois

Published in: Fracture, Fatigue, Failure and Damage Evolution, Volume 8

Publisher: Springer International Publishing

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Abstract

The knowledge of crack driving forces such as energy release rate and stress intensity factors is very important in the assessment of the reliability of timber structures. This work deals with static and creep fracture tests in opening mode crack growth. They are performed in climatic chamber, which allows reproducing the real environment effects on the cracking of Double Cantilever Beam specimens machined in Douglas and White Fir species. The evolutions of the crack length are posted versus time. The aim of this work is to compare the obtained experimental results with numerical tools given by a finite element model. The numerical model is based on a new analytical formulation of the A-integral, generalized to viscoelastic orthotropic material, which allows taking into account the effect of thermal and hydric loads in the cracking process.

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previous chapter Compression Testing of Micro-Scale Unidirectional Polymer Matrix Composites
next chapter Numerical Fracture Analysis Under Temperature Variation by Energetic Method
Literature
1.
Nguyen, S.L., Saifouni, O., Destrebecq, J.F., Pitti, R.M.: An incremental model for wood behaviour including hydro-lock effect. In: Final Cost Action FP0904 Conference, Recent Advances in the Field of TH and THM Wood Treatment, Skellefteå, Sweden, 19–21 May 2014
2.
Riahi, H., Pitti, R.M., Chateauneuf, A., Dubois, F.: Stochastic analysis of mixed mode fracture in timber material using polynomial chaos expansion. In: Final Cost Action FP0904 Conference, Recent Advances in the Field of TH and THM Wood Treatment, Skellefteå, 19–21 May 2014
3.
Pitti, R.M., Diakhaté, M., Arteaga, E.B., Aoues, Y., Angellier, N., Riahi, H., Chateauneuf, A., Dubois, F.: ANR JCJC-2013 Project CLIMBOIS: effects of climatic and mechanical variations on the durability of timber structures: use of acoustic emission tool to evaluate wood mechanical behaviour. In: COST Action FP1302 Wood Music, Opening Conference. Paris, 26–28 Feb 2014
4.
Riahi, H., Pitti, R.M., Dubois, F.: On analytical formulation integrating mixed mode fracture and climate change in wood. In: COST Action FP0904 THMBP Workshop, Damage and Fracture Coupling with Thermo-Hydro-Mechanical effects, Bordeaux, 13–14 Apr 2014
5.
Dubois, F., Chazal, C., Petit, C.: Viscoelastic crack growth process in wood timbers: an approach by finite element method for mode I fracture. Int. J. Fract. 113, 367–388 (2002)CrossRef
6.
Riahi, H., Pitti R.M., Dubois, F., Fournely, E., Chateauneuf, A.: Numerical fracture analysis coupling thermo-hygro mechanical and viscoelastic behaviour. In: 9th International Conference on the Mechanics of Time-dependent Materials, Montreal, 27–30 May 2014
7.
Dubois, F., Pitti, R.M., Pop, O., Fournely, E.: Numerical model about fracture analysis and mechano-sorptive behavior in wood. In: 9th International Conference on the Mechanics of Time-dependent Materials (MTDM), Montreal, 27–30 May 2014
Metadata
Title
Crack Analysis of Wood Under Climate Variations
Authors
Nicolas Angellier
Rostand Moutou Pitti
Frédéric Dubois
Copyright Year
2016
Book
Fracture, Fatigue, Failure and Damage Evolution, Volume 8

Print ISBN: 978-3-319-21610-2

Electronic ISBN: 978-3-319-21611-9

Copyright Year: 2016

DOI
https://doi.org/10.1007/978-3-319-21611-9_29

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