Fluage à long terme du bois fléchi en grandeur structurale

Tomi Toratti, P. Morlier

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Abstract

Long term bending experiments on full size timber and glulam beams have been carried out under external and sheltered climatic conditions in Paris, and more than two years of test results on the creep behaviour of 75 beams are available. A model for predicting the long term mechanical behaviour of timber under variable humidity and load conditions, previously developed by the author, is described. The model is based on transient moisture transfer analysis linked with deformation analysis using a step-by-step computation scheme, and has been compared previously with experiments carried out under laboratory conditions of controlled variable climates by the author as well as with test results obtained from several other institutions. In general, the model has agreed satisfactorily with the experimental results. In the present paper the model is compared with experiments on full size beams carried out under the changeable conditions of a natural climate. The results show that, for low stress levels and corresponding loads, the model provides a reasonable prediction of the end creep levels after two years of loading.
Original languageFrench
Pages (from-to)284-292
JournalMaterials and Structures
Volume28
Issue number5
DOIs
Publication statusPublished - 1995
MoE publication typeNot Eligible

Cite this

Toratti, Tomi ; Morlier, P. / Fluage à long terme du bois fléchi en grandeur structurale. In: Materials and Structures. 1995 ; Vol. 28, No. 5. pp. 284-292.
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Fluage à long terme du bois fléchi en grandeur structurale. / Toratti, Tomi; Morlier, P.

In: Materials and Structures, Vol. 28, No. 5, 1995, p. 284-292.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Morlier, P.

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AB - Long term bending experiments on full size timber and glulam beams have been carried out under external and sheltered climatic conditions in Paris, and more than two years of test results on the creep behaviour of 75 beams are available. A model for predicting the long term mechanical behaviour of timber under variable humidity and load conditions, previously developed by the author, is described. The model is based on transient moisture transfer analysis linked with deformation analysis using a step-by-step computation scheme, and has been compared previously with experiments carried out under laboratory conditions of controlled variable climates by the author as well as with test results obtained from several other institutions. In general, the model has agreed satisfactorily with the experimental results. In the present paper the model is compared with experiments on full size beams carried out under the changeable conditions of a natural climate. The results show that, for low stress levels and corresponding loads, the model provides a reasonable prediction of the end creep levels after two years of loading.

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