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Vpliv prirastnih značilnosti smrekovine in jelovine na mehanske lastnosti konstrukcijskega žaganega lesa : diplomsko delo - visokošolski strokovni študij = The impact of growth properties of spruce and fir on the mechanical properties of structural sawn timber : graduation thesis - higher professional studiesZupan, Uroš, lesarPri uporabi lesa za konstrukcijske namene, so bistvenega pomena njegove mehanske lastnosti. Ugotavljali smo vpliv gostote in prirastnih značilnosti smrekovine in jelovine na mehanske lastnosti ... konstrukcijskega žaganega lesa. Raziskavo smo izvajali na elementih dimenzij: 38 x 100 mm, 50 x 150 mm, 44 x 200 mm, 140 x 140 mm in dolžine 4000 mm. S štiri-točkovnim upogibnim preskusom smo elementom določili globalni modul elastičnosti (MOEg) in upogibno trdnost. Prirastne značilnosti smo ocenili vizualno, skladno s standardom SIST DIN 4074-1. Najvišji korelacijski koeficient pri združenih elementih v enotni vzorec, smo dobili med gostoto in MOEg (0,74) in med širino branike in MOEg, (-0,61). Najnižji korelacijski koeficient je bil med upogibno trdnostjo in oddaljenostjo obdelovanca od stržena (0,09) ter med upogibno trdnostjo in deležem kompresijskega lesa (-0,09). Enak korelacijski koeficient je bil tudi med deležem kompresijskega lesa in MOEg (-0,09). Med preučevanimi lastnostmi so za napovedovanje mehanskih lastnosti žaganega lesa najprimernejše gostota lesa in povprečna širina branike.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [U. Zupan], 2016Language - slovenianCOBISS.SI-ID - 2669705
Author
Zupan, Uroš, lesar
Other authors
Gornik Bučar, Dominika |
Šega, Bogdan |
Straže, Aleš
Topics
konstrukcijski les |
smrekovina |
prirastne značilnosti lesa |
širina branike |
gostota |
trdnost |
construction wood |
spruce |
fir |
growth properties |
ring width |
density |
bending strength
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Library | Call number – location, accession no. ... | Copy status |
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BF, Dept. of Wood Technology, Lj. | Knjižnica BF za lesarstvo vsn 433 IN: 020160202 |
available - reading room |
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Year | Impact factor | Edition | Category | Classification | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Zupan, Uroš, lesar | ![]() |
Gornik Bučar, Dominika | 10340 |
Šega, Bogdan | 13057 |
Straže, Aleš | 18149 |
Source: Personal bibliographies
and: SICRIS
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