BF, Dept. of Wood Technology, Lj. (BFLES)
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Odpornost lesa impregniranega z ognjezadrževalnim premazom proti lesnim glivam : diplomsko delo = Performance of wood treated with fire retardant product against wood decay fungi : B. Sc. thesisKrt, KristjanV zadnjem času opažamo porast uporabe lesa, predvsem v gradbeništvu. Poleg vseh dobrih mehanskih in fizikalnih lastnosti je za les značilna tudi neodpornost proti abiotičnim in biotičnim dejavnikom. ... Čeprav se les s svojimi naravnimi mehanizmi zaščiti pred visokimi temperaturami, ga moramo kljub vsemu dodatno zaščititi pred gorenjem z uporabo ognjezadrževalnih sredstev, saj je ogenj najhitrejši mehanizem uničevanja lesa. Ker živimo v toplem in vlažnem okolju, obstaja verjetnost, da bo les izpostavljen tudi glivam, zato je pomembno, da uporabljeno ognjezadrževalno sredstvo deluje tudi fungicidno. Kot perspektivno ognjezadrževalno sredstvo se v zadnjem času omenja Burnblock, zato nas je, poleg zaščite proti gorenju in visokim temperaturam, zanimalo njegovo fungicidno ali fungistatično delovanje. Uporabili smo glivi pisana ploskocevka (Trametes versicolor) in navadna tramovka (Gloeophyllum trabeum) ter kasneje primerjali rezultate. Vzorce smo zaščitili s potapljanjem in impregnacijo. Poleg ognjevarnostnih in razkrojnih testov smo izvedli tudi meritve pri navlaževanju v 100 % relativni zračni vlažnosti ter teste v povezavi s hidrofobnostjo vzorcev. Zaščiteni vzorci so se izkazali za manj dovzetne za dodatno navlaževanje in posledično razvoj gliv. Pri ognjevarnostnih testih so se zaščiteni vzorci v primerjavi z nezaščitenimi obnesli bolje predvsem pri obremenitvi z neposrednim plamenom, saj se noben od zaščitenih ni vžgal ali izrazito poškodoval. Razkrojni testi so pokazali, da gliva nezaščitene vzorce prerašča lažje kot zaščitene. Ugotovili smo, da lahko Burnblock uvrstimo med sredstva, ki delujejo tako ognjezadrževalno kot tudi fungicidno.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [K. Krt], 2022Language - slovenianCOBISS.SI-ID - 109924867
Author
Krt, Kristjan
Other authors
Humar, Miha |
Kržišnik, Davor |
Medved, Sergej
Topics
les |
razkroj |
ogenj |
glive |
zaščita lesa |
wood |
deterioration |
fire |
fungi |
wood protection
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Knjižnica BF za lesarstvo du1 0000000122 IN: 020220042 Knjižnica BF za lesarstvo du1 122 IN: 020220042 |
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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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Krt, Kristjan | ![]() |
Humar, Miha | 19106 |
Kržišnik, Davor | 37425 |
Medved, Sergej | 15410 |
Source: Personal bibliographies
and: SICRIS
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