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Ponovna uporaba odpadnega stekla v industriji gradbenih materialov : zaključno poročilo o rezultatih opravljenega dela RR faze projekta
Ducman, Vilma
V okviru naloge smo proučili možnosti proizvodnje penjenega stekla (granul, plošč) in sinter mozaik ploščice na osnovi odpadnega stekla. Penjeno steklo je dober toplotni in akustični izolator, je ...paronepropustno, negorljivo, dimenzijsko stabilno tudi pri povišanih temperaturah in odporno proti delovanju kislin (razen HF) in alkalij. Vzorce smo pripravili tako, da smo drobno pomletemu steklu dodali penilce (v našem primeru sta to MnO2 in CaCO3) ter jih v modulu žgali nad temperaturo zmehščišča stekla. Na podoben način smo pripravili tudi granule, kjer smo kot penilec dodali Na-vodno steklo, CaCO3 in MnO2 in nato surove granule žgali kratek čas pri temperaturah nad 800oC. Na žganih granulah smo določili gostoto, tip poroznosti (odprta, zaprta), vpijanje vode in odpornost proti lugom. Če pa odpadno steklo ustrezne granulacije stisnemo v modelčkih (z dodatkom veziva in pigmentov) ter nato sintramo malo nad temperaturo zmehščišča stekla dobimo t. i. sinter mozaik ploščice, ki se lahko uporabljajo za oblaganje bazenov, zunanjih in notranjih zidov ter tal.
Type of material - research report
; adult, serious
Publication and manufacture - Ljubljana : Zavod za gradbeništvo Slovenije, 1999
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