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Finite element analysis of a wooden floor structure subjected to moisture variations
2002 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The effect on the serviceability performance in deflection of wooden floor structure of mechanical and moisture loading are studied. A brief description of the behavior of wood in general, and more specific of the behavior depending on the variation of the moisture content is included. A hand-calculation has been performed according with the design prescriptions given in the Eurocode 5, and two calculations by using two different Finite Element models. The three-dimensional formulation for the material constitutive equations and the models to defining the behavior of the nail and screw connections have been taken from the literature. Since the three-dimensional formulation is rather complex, the model is simplified. The loads used are smaller than those given by the European and Swedish standard because the deflection given by them is much bigger than that one experimentally measured. The results of the calculation shown that the deflection values given by Finite Element analysis fits better, to the experimentally measured data, than those ones given by the hand-calculation. Design improvements to decrease the deflection are given besides a calculation of the deflection by using them.

Place, publisher, year, edition, pages
2002.
Keyword [en]
Technology, Wooden floor structure, Moisture deflections, Finite element, method, timber structures
Keyword [sv]
Teknik
Identifiers
URN: urn:nbn:se:ltu:diva-50569ISRN: LTU-EX--02/291--SELocal ID: 7cd7eda8-3810-4fc8-b130-30edc338d53cOAI: oai:DiVA.org:ltu-50569DiVA: diva2:1023930
Subject / course
Student thesis, at least 30 credits
Educational program
Civil Engineering, master's level
Examiners
Note
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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  • apa
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  • ieee
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  • de-DE
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  • en-US
  • fi-FI
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  • nn-NB
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  • Other locale
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Output format
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