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Mikrotrdota nekaterih slovenskih apnencev = Microhardness of some Slovenian limestoneKrajnc Brodar, Vesna, 1972- ; Jarc, Simona ; Mirtič, BredaPropadanje naravnega kamna po vgrajevanju je aktualna tema v tujini kot tudi pri nas. Naravni kamen propada ali prepereva zaradi vremenskih razmer, ki jim je izpostavljen. Pri tem se kamnina topi, ... spreminja se njena mineralna sestava, trdnost, trdota, odsevna sposobnost polirane površine in druge karakteristike. Seveda je vse to odvisno od okolja, v katerem se kamnina nahaja. V slovenskih razmerah propadanje naravnega kamna še ni preiskano. V našo preiskavo so bili zajeti apnenci iz različnih slovenskih nahajališč: Hotavlje, Lipica I, Lipica II in Doline. Ti so: zgornjetriasna apnenca z intrabiomikrosparitno strukturo, zgornjekredna apnenca z biomikritno strukturo in zgornjekredni apnenec z mešano strukturo, od biomikritne do biosparitne. Preperevanje v naravnih okoljih smo v laboratoriju simulirali tako, da smo vzorce, namočene v destilirani vodi ali vodni raztopini soli, izmenično ogrevali in ohlajali. Rezultati merjenja mikrotrdote kažejo, da na trdoto apnenca vpliva njegova struktura. Trdota se spreminja s časom preperevanja.Source: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 34, št. 1/2, jan.-apr. 2000, str. 65-68)Type of material - article, component part ; adult, seriousPublish date - 2000Language - slovenianCOBISS.SI-ID - 214698
Author
Krajnc Brodar, Vesna, 1972- |
Jarc, Simona |
Mirtič, Breda
Topics
apnenec |
mikrotrdota |
kalcit |
preperevanje |
Slovenija |
Slovenija
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source: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 34, št. 1/2, jan.-apr. 2000, str. 65-68)
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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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Krajnc Brodar, Vesna, 1972- | 22123 |
Jarc, Simona | 18607 |
Mirtič, Breda | 07177 |
Source: Personal bibliographies
and: SICRIS
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