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Vrednotenje sanacijskih malt za restavriranje tufa : diplomsko delo = Evaluation of repairing mortars for restoration of tuffaKorat, Lidija, 1986-Na področju konserviranja in restavriranja spomenikov iz naravnega kamna težimo k uporabi materialov, ki naj bi bili čim bolj kompatibilni z originalnim materialom. Na mestih, kjer so izdelki močno ... poškodovani, jih je potrebno utrditi, nadomestiti z ustrezno modelirno maso ali svežo kamnino. Namen raziskave je bilo vrednotenje modelirne mase, ki bi imela lasnosti čimbolj podobne dvema različkoma tufa. Najprej so bile določene lastnosti dveh litotipov tufa iz okolice Peračice, drobnozrnatega ter debelozrnatega tufa iz Bogatajevega kamnoloma in kamnoloma Črnivec. Petrografska analiza tufa je bila izvedena z metodo optične mikroskopije. Mehansko - fizikalne lastnosti tufa so bile določene s plinsko sorpcijo, absorpcijo vode zaradi kapilarnega dviga in vpijanjem vode pri atmosferskem tlaku. Določena je bila tudi tlačna trdnost, odprta poroznost ter odpornost na kristalizacijo soli. Da bi razvili ustrezno modelirno maso, smo pripravili mešanice drobljenega tufa ter kremena z različno zrnavostjo in masnimi razmerji. Za vezivo je bil uporabljen etil silikat - utrjevalec kamna KSE 500 STE, nemškega proizvajalca Remmers. Izmed pripravljenih mešanic smo izbrali šest vizualno najustreznejših za nadaljnje preiskave. Na teh vzorcih so bile izvedene preiskave mehansko - fizikalnih lastnosti, torej sama absorpcija vode zaradi kapilarnega dviga, vpijanje vode pri atmosferskem tlaku, tlačna trdnost, odprta poroznost ter odpornost na kristalizacijo soli. Rezultati so pokazali, da je z ustrezno kombinacijo kremena, drobljenega tufa in etil silikata možno izdelati kompatibilne modelirne mase, ki imajo primerljive lastnosti kot primarna različka tufa, tako v vizualnem pogledu kot v mehansko - fizikalnih lastnostih. Izmed šestih mešanic za sanacijske malte se je izkazala za najboljšo mešanica z dodatkom kremena. Seveda bo potrebno skozi restavratorske posege te materiale evalvirati tudi na mestu vgradnje samem, tako s stališča vgradljivosti kot njihove dolgoročne obstojnosti.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [L. Korat], sep. 2010Language - slovenianCOBISS.SI-ID - 842846
Author
Korat, Lidija, 1986-
Other authors
Mirtič, Breda |
Mladenovič, Ana
Topics
mineralogija |
tufi |
restavriranje |
sanacijske malte
Library/institution |
City | Acronym | For loan | Other holdings |
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NTF, Department of Geology, Ljubljana | Ljubljana | NTFGEO |
outside loan 1 cop.
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Institute for the Protection of Cultural Heritage of Slovenia | Ljubljana | RESCLJ |
reading room 1 cop.
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National Building and Civil Engineering Institute,Lj. | Ljubljana | ZAGLJ |
reading room 1 cop.
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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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Korat, Lidija, 1986- | 33198 |
Mirtič, Breda | 07177 |
Mladenovič, Ana | 05930 |
Source: Personal bibliographies
and: SICRIS
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