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Povezava med laboratorijskimi in terenskimi preizkusi pri vrednotenju življenjske dobe lesa : doktorska disertacija = Relationship between laboratory and field tests in service life assessment of wood-based materials : doctoral dissertationKržišnik, DavorV raziskavi je predstavljena povezava med laboratorijskimi in terenskimi preizkusi pri ocenjevanju funkcionalne in estetske življenjske dobe lesa. Rezultate, pridobljene v laboratorijskih preizkusih, ... smo kombinirali in primerjali z rezultati, pridobljenimi v terenskih preizkusih. Tako smo ovrednotili potencial različnih laboratorijskih testov za namen napovedovanja dinamike navlaževanja lesa v zunanjih pogojih uporabe. Da bi določili povezavo med laboratorijskimi in terenskimi preizkusi, smo izračunali Pearsonov koeficient korelacije, ki določa linearno povezanost dveh številskih spremenljivk. Rezultati so pokazali, da je mogoče sklepati, da se lahko nekateri hitrejši laboratorijski preizkusi uporabijo za napovedovanje interakcij vode z lesom v zunanji uporabi, vendar je za to potrebno dobro poznavanje pogojev uporabe. Pomen estetske življenjske dobe lesa se povečuje in ker je barva eden od najpomembnejših parametrov estetike, smo določili in ovrednotili razlike spreminjanja barve glede na smer izpostavljenosti. Izkazalo se je, da fotodegradacija prekrije znake modrenja, v vlažnih mesecih pa se lahko modrenje ponovno pojavi. Rezultati primerjave barvnih sprememb, dobljeni z laboratorijskimi in terenskimi preizkusi, so pokazali pozitivne Pearsonove koeficiente korelacije med naravnim staranjem lesa in kombinacijo obarvanja lesa z glivami modrivkami in umetnim staranjem lesa. Laboratorijske preizkuse odziva površin lesa bi bilo smiselno sestaviti iz dveh korakov, obarvanja z glivami modrivkami in umetnega pospešenega staranja, da bi najbolje simulirali barvne spremembe lesa, testiranega v terenskih preizkusih.Type of material - dissertation ; adult, seriousPublication and manufacture - Ljubljana : [D. Kržišnik], 2019Language - slovenian, englishCOBISS.SI-ID - 3102345
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Repository of the University of Ljubljana – RUL
Digitalna knjižnica Slovenije - dLib.siDostop z namenskih računalnikov v prostorih NUK
Author
Kržišnik, Davor
Other authors
Humar, Miha |
Lesar, Boštjan
Topics
les |
življenjska doba |
odpornost lesa |
funkcionalna življenjska doba |
estetska življenjska doba |
voda |
interakcije |
fotodegradacija |
Pearsonov koeficient korelacije |
disertacije
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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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Kržišnik, Davor | 37425 |
Humar, Miha | 19106 |
Lesar, Boštjan | 28503 |
Source: Personal bibliographies
and: SICRIS
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