Mechanical analysis of glulam beams exposed to changing humidity | Zendy

S. Srpčič | Zendy; J. Srpčič | Zendy; M. Saje | Zendy; Goran Turk | Zendy

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Mechanical analysis of glulam beams exposed to changing humidity

Author(s) -

S. Srpčič,

J. Srpčič,

M. Saje,

Goran Turk

Publication year - 2008

Publication title -

wood science and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.631

H-Index - 71

eISSN - 1432-5225

pISSN - 0043-7719

DOI - 10.1007/s00226-008-0196-3

Subject(s) - beam (structure) , numerical analysis , relative humidity , humidity , cross section (physics) , diffusion , span (engineering) , structural engineering , stress (linguistics) , materials science , mathematics , engineering , physics , meteorology , mathematical analysis , linguistics , philosophy , quantum mechanics , thermodynamics

This study deals with the mechanical analysis of glulam beams during changing relative humidity of the surrounding air. The computational part of the article includes two separate numerical procedures. First, the diffusion equation is solved to determine the temporal and spatial distribution of water content in the cross-section of the beam. The results of the first computational stage are used as the input data for the numerical analysis of mechanical response of the beam. The displacements and stress distribution at some characteristic cross-sections are presented. In the article some experimentally determined values of vertical displacements in the middle of span are shown and compared to the results of numerical analysis

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