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	Frost resistance of lime-based mortars with linseed oil Nunes, Cristiana Lara ; Slížková, Zuzana ; Janotová, Dana The recent findings in mortar additives that grant hydrophobic properties to mortars show that by restraining water penetration, damage from frost and salt can be decreased. Improved durability of lime-based mortars with linseed oil addition has been confirmed making the present formula a promising recipe for mortar reconstructions. Detailed record
	Effect of linseed oil on the mechanical properties of lime mortars Nunes, Cristiana Lara ; Slížková, Zuzana ; Janotová, Dana ; Frankeová, Dita The effect of linseed oil addition in 1.5% by the weight of the binder was studied in two different mortar mixtures: air lime mortar and air lime-metakaolin mortar. Carbonation and hydration reactions were studied by thermogravimetric analysis and flexural and compressive strength were evaluated along curing time: 14 -90 days.) Detailed record
	Analysis of mortar used for grouting of enclosure wall of St. Wenceslas church in Chlum near Třebíč Slížková, Zuzana ; Drdácký, Miloš ; Hauková, Petra ; Frankeová, Dita ; Janotová, Dana ; Niedoba, Krzysztof ; Zeman, Antonín Investor of building (Roman Catholic parish) asked ITAM AV ČR, v.v.i. for an analysis of wall mortar of the St. Wenceslas church in Chlum. The reason for this investigation carried out was the fact that the mortar applied to the wall in 2010 shows after winter disturbances, which reflected a lack of cohesion and adhesion of mortar to the substrate. The mortar is crumbling in many places, sometimes its fragments fall off. The investor asked for an analysis of the composition of applied mortar and the assessment of the suitability of materials for the construction. Detailed record
	Problems with the quality of lime mortars modified with metakaolin in the field of conservation of building heritage Slížková, Zuzana ; Frankeová, Dita ; Hauková, Petra ; Janotová, Dana The paper presents a case of failed application of air lime mortar modified with metakaolin as the replacement of decayed or missed render rep. jointing mortar from historic wall. Detailed material characterization of applied mortar results in determination of causes leading to low durability of mortar applied on historic walls. Detailed record

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