National Repository of Grey Literature 22 records found  1 - 10nextend  jump to record: Search took 0.01 seconds. 
Characterization of stone and mortar sampled from Romanesque architectural fragment in archeological site under Prague Castle (CZ)
Slížková, Zuzana ; Frankeová, Dita ; Bauerová, Pavla ; Viani, Alberto ; Kozlovcev, Petr ; Svoboda, Milan
Material characterization of silicite stone and bending earth-lime mortar sampled from the archeological site below the 3rd courtyard of Prague Castle provides data on the chemical and mineralogical composition and microstructure of stone and mortar for the needs of the historic structure conservation.
Characterization of mortars and plasters of pre-Romanesque architecture of Great Moravia
Válek, Jan ; Skružná, Olga ; Kozlovcev, Petr ; Frankeová, Dita ; Viani, Alberto
The document contains archaeological samples from excavation in the building of the Palace in Mikulčice. The results include the characterization of used raw materials, their input ratio and a their description in order to specify their provenance.
GPR survey of the reinforcement above the long horizontal window case study: Ice ring stadium restaurant Fuchs on Štvanice Island
Válek, Jan ; Kozlovcev, Petr ; Eisler, Marek ; Dušek, Ondřej
The aim of the survey was to assess the use of Ground Penetration Radar for the reinforcement position detection on the Ice ring restaurant – an early concrete building on Štvanice Island in Prague from 1932. For this case study a potentially critical section of a façade above the app. 16 m long horizontal window was selected. GPR from IDS company equipped with 2 GHz high frequency antenna was used.
Experimental study of Palaeozoic limestones of the Barrandian and their possible use for burning of hydraulic limes and natural cement
Kozlovcev, Petr
54 Summary In this experimental study, selected Devonian limestones of the Prague Basin (i.e. samples from the historic quarry of Branické skály) were examined to find their suitability for production of hydraulic limes or for natural cement. Four representative samples of the dvorecko-prokopské limestone were sampled in the form of blocks weighing approximately 10 kg each, from the layer of the quarry wall that had been chosen based on literature research. A detailed mineralogical-petrographic examination of samples was the first step, in an attempt to obtain their mineralogical composition, microstructure and texture. Samples were analysed by polarizing microscopy and cathodoluminescence of thin sections, and X-ray diffraction of insoluble residues determined by treatment with both the hydrochloric acid and the acetic acid solution. Mineralogical composition of the insoluble residuals was illite, kaolinite, quartz and Na-plagioclase (albite). Two samples contained among above mentioned mineral phases also chlorite. The utility of studied limestones for the production of hydraulic binders (hydraulic limes and natural cement) was derived from both the calculations based on obtained chemical analyses (included standard cement and lime indexes and modules) and the firing experiments. The firing experiments...
Survey of the constructions hidden under the floor of the Church of the Assumption of the Virgin Mary in Jindřichův Hradec
Válek, Jan ; Skružná, Olga ; Kozlovcev, Petr
The aim of the non-destructive survey was to determine the presence of building constructures hidden under the contemporary floor. The measurement was performed in the chancel area where a tomb was assumed.
Chemical and mineralogical analyses of the stucco marble „scagliola“ sampled from a decoration part of the historic cabinet placed in the chateau Konopiště (CR).
Slížková, Zuzana ; Mácová, Petra ; Viani, Alberto ; Frankeová, Dita ; Jurkovská, Lucie ; Kozlovcev, Petr
Chemical and mineralogical analyses results focused on the composition of the stucco marble „scagliola“. The material was sampled from a decoration part of the historic cabinet placed in the chateau Konopiště (CR).
Chemical and mineralogical analyses of the tile sampled from the fountain in Prague 6, Na Brusce Street
Frankeová, Dita ; Slížková, Zuzana ; Jurkovská, Lucie ; Koudelková, Veronika ; Kozlovcev, Petr
The study was focused on the identification of the material used for the production of paving in the vicinity of the fountain in Prague 6, Na Brusce Street. Using thermal analysis and electron microscopy, it was found that it is natural limestone. The results of the report were used as a basis for the design of the reconstruction intervention of the object.\n\n \n\n
The supplement of early Baroque stucco decoration based on material and technological copy
Válek, Jan ; Skružná, Olga ; Kozlovcev, Petr ; Waisserová, J. ; Wichterlová, Z. ; Frankeová, Dita ; Kotková, Kristýna
The aim of the article is to provide a methodical design for the preparation of Baroque stucco and show its use on a specific example.
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Survey of mortars of the Romanesque chapel in the tower of Landštejn Castle
Válek, Jan ; Skružná, Olga ; Kozlovcev, Petr ; Frankeová, Dita ; Svoboda, Milan ; Ševčík, Radek ; Kotková, Kristýna
Four samples of floor mortars and two samples of plasters were analysed as a part of the survey in the Romanesque chapel located in the tower at Landštejn Castle. The aim was to characterize used raw materials, determine their ratio, characterize the porosity of mortars and compare mortars sorted to different phases of construction.
Survey of the floor in the winter garden of the residence of the ambassador to the US
Válek, Jan ; Skružná, Olga ; Kozlovcev, Petr
On May 7, 2019, a survey was carried out in the winter garden of the Otto Petschek Villa, the\nresidence of the Ambassador to the USA. The aim was to clarify the distribution of metal reinforcements\nand other structural elements in the floor of the room. The survey was carried out in\ncooperation with the designer Ing. Zdeněk Rieger.

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