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Časovni potek deformacije obremenjenih lesnih plošč : diplomski projekt
ID Avbreht, Simon (Author), ID Medved, Sergej (Mentor) More about this mentor... This link opens in a new window, ID Bučar, Bojan (Reviewer)

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MD5: 5A24B67E455E5DE74E4036BEE5AC61C4
PID: 20.500.12556/rul/25bf9dc2-4534-443f-a90d-8248370c3344

Abstract
Na trgu lahko najdemo številne lesne plošče, ki se uporabljajo tako v pohištvene kot tudi konstrukcijske namene. Večinoma se ti materiali uporabljajo daljše časovno obdobje, zato je pomembno poznavanje obnašanja materiala pri daljših časovnih obremenitvah, kjer je deformacija odvisna od vrste plošče oz. gradnikov, iz katerih je plošča narejena, vrste in deleža lepila, gostote, kakor tudi od sile, s katero je material obremenjen. Želeli smo ugotoviti vpliv vrste lesne plošče in njene zgradbe na časovno obremenitev- lezenje. Uporabili smo tri različne lesne plošče: iverno, vlakneno in konstrukcijsko ploščo. Plošče smo 4-točkovno obremenili v eksperimentalni napravi za določanje časovnih deformacij. Časovni potek deformacije smo ugotavljali tako na spodnji kot na zgornji strani. Deformacija je bila najmanjša pri konstrukcijski plošči. Deformacija ivernih in vlaknenih plošč je bila večja, vendar so bile razlike med njima manjše. Ugotovili smo tudi razlike med zgornjo in spodnjo stranjo.

Language:Slovenian
Keywords:lesna plošča, iverna plošča, konstrukcijska plošča, vlaknena plošča, časovni potek deformacije
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:BF - Biotechnical Faculty
Place of publishing:Ljubljana
Publisher:[S. Avbreht]
Year:2012
Number of pages:VII, 19 f.
PID:20.500.12556/RUL-690 This link opens in a new window
UDC:630*862
COBISS.SI-ID:2049929 This link opens in a new window
Publication date in RUL:11.07.2014
Views:1629
Downloads:334
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Secondary language

Language:English
Title:Time process of deformation loaded wood panels : B. Sc. thesis
Abstract:
One can find numerous wooden panels on the market, which are used for furniture and construction purposes. Most often these materials are used over a long period of time which is why it is important to know the materials' behaviour at longer time loads, where the behaviour depends on the type or the material of the plates, the type and proportion of the glue, density, as well as the force with which the material is loaded. We determined the impact of the various types of wooden panels and their structures on the time load - creep. We used 3 different wooden panels: chipboard, fibreboard and construction panel. Panels were loaded on 4 points with an experimental device for determining the time of deformation. The time frame of the deformation was measured both at the bottom and the top side. Deformation was the smallest on the construction panel. The deformation of chip and fibre boards was higher, but the differences between them were smaller. We also found differences between the top and bottom side.

Keywords:wood-based panels, particleboard, MDF panel, deformation time process

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