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Kramar, Sabina; Zalar, Vesna; Urosevic, Maja; Körner, Wilfried; Mauko, Alenka; Mirtič, Breda; Lux, Judita; Mladenović, Ana
Materials characterization, 11/2011, Letnik: 62, Številka: 11Journal Article
This study deals with the characterization of mortars collected from bath complex of the Roman villa rustica from an archeological site near Mošnje (Slovenia). The mortar layers of the mosaics, wall paintings and mortar floors were investigated. A special aggregate consisting of brick fragments was present in the mortars studied. The mineralogical and petrographic compositions of the mortars were determined by means of optical microscopy, X-ray powder diffraction and FTIR spectroscopy. Analysis of aggregate–binder interfaces using SEM-EDS revealed various types of reactivity rims. In order to assess the hydraulic characteristics of the mortars, the acid-soluble fractions were determined by ICP-OES. Furthermore, the results of Hg-porosimetry and gas sorption isotherms showed that mortars with a higher content of brick fragments particles exhibited a higher porosity and a greater BET surface area but a lower average pore diameter compared to mortars lacking this special aggregate. ► Mineral and microstructural characterizations of brick–lime mortars. ► Hydraulic character of mortars in Roman baths complex. ► Reaction rims were observed around brick fragments and dolomitic grains. ► Higher content of brick particles yielded a higher BET surface area. ► Addition of brick particles increased porosity and diminished pore size diameter.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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