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Lastnosti lahkih plošč s sredico iz slame : diplomsko delo - univerzitetni študij = Properties of lightweight panels with core from straw : graduation thesis - university studies
Kurnik, Andrej, 1985-
Proučevali smo možnost uporabe slame za izdelavo ploščnega kompozita. Izdelali smo 4 vrste plošč, in sicer z gostoto 200, 300 in 400 kg/m3. Pri uporabi plošče iz slame, kot sredice za lahki ploščni ...kompozit, smo kot zunanji sloj uporabili 8 mm debelo iverno ploščo. Proučevali smo nabrek po 24-urni izpostavitvi vodi, tlačno trdnost, upogibno trdnost in prehod toplote. Ugotavljali smo tudi prehod toplote, in sicer smo plošče izpostavili temperaturam 40, 60 in 80 oC, oziroma temperaturnim razlikam 15, 35 in 55 oC. Ugotovili smo, da ima po 24-urni izpostavitvi vodi plošča z gostoto 200 kg/m3 večji nabrek od plošče z gostoto 400 kg/m3, kar je posledica bolj porozne strukture in lažjega ter hitrejšega prodiranja vode v ploščo. S pomočjo tlačne obremenitve smo ugotovili, da je najgostejša plošča na tlak najbolj odporna. Pri upogibni trdnosti imajo plošče z višjo gostoto višji modul elastičnosti in višjo upogibno trdnost. Najpočasneje je temperatura prehajala skozi ploščo gostote 300 kg/m3.
Type of material - undergraduate thesis
; adult, serious
Publication and manufacture - Ljubljana : [A. Kurnik], 2010
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