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Mehanske in sorpcijske lastnosti starega lesa impregniranega z baker-etanolaminskimi pripravki : diplomsko delo - visokošolski strokovni študij = Mechanical and sorption characteristics of old wood impregnated with copper-ethanolamine preparations : graduation thesis - higher professional studiesŠprinzar, AndrejLes smreke je zelo pogosto uporabljen kot konstrukcijski material zaradi dobrih mehanskih lastnosti in dostopnosti. Vendar smrekovina spada med neodporne vrste lesa, zato jo je treba zaščititi, da ji ... podaljšamo življenjsko dobo v ogrožajočih okoljih. Tudi impregniran les je izpostavljen delovanju biotskih in abiotskih dejavnikov razkroja, zato nas zanima, kako se spreminjajo relevantne lastnosti lesa med uporabo. Ovrednotili smo mehanske in sorpcijske lastnosti vzorcev smrekovine, zaščitene z baker-etanolaminskimi pripravki. Vzorce smo pridobili iz dna in vrha telefonskega droga, ki je bil več let v uporabi v Budni vasi, ter iz ograje, ki je bila 10 let v uporabi v Kranjski gori. Tako smo lesu določili upogibno trdnost, tlačno trdnost in delež vodotopnih snovi. Najboljše mehanske lastnosti je v vseh 3 kriterijih izkazal vrh droga, saj je ta bil najmanj izpostavljen zunanjim dejavnikom; ni bil v stiku s tlemi, tako kot dno droga in ograja. Sorpcijske lastnosti smo določali z merjenjem kratkotrajnega kapilarnega navzema vode. Ta nakazuje na enega izmed parametrov, ki vpliva na odpornost lesa proti glivam. Višji kot je navzem vode, slabša je odpornost lesa. Najvišjo vodoodbojnost je izkazal vrh droga, kar je bilo tudi pričakovano. Ta je imel boljšo vodoodbojnost, tako od naravne kot eno leto starane smrekovine, zaščitene z baker-etanolaminskim pripravkom Silvanolin. Le malo slabšo vodoodbojnost je imela ograja, dno droga pa je bilo že precej razkrojeno in je bilo najmanj vodoodbojno.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [A. Šprinzar], 2014Language - slovenianCOBISS.SI-ID - 2262409
Author
Šprinzar, Andrej
Other authors
Humar, Miha |
Straže, Aleš
Topics
smrekovina |
zaščita lesa |
bakrovi pripravki |
mehanske lastnosti |
tenziometer |
spruce wood |
wood protection |
copper preservatives |
mechanical properties |
tensiometer
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Library/institution |
City | Acronym | For loan | Other holdings |
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BF, Department of Wood Science and Technology, Lj. | Ljubljana | BFLES |
reading room 1 cop.
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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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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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Šprinzar, Andrej | ![]() |
Humar, Miha | 19106 |
Straže, Aleš | 18149 |
Source: Personal bibliographies
and: SICRIS
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