National Repository of Grey Literature 24 records found  beginprevious21 - 24  jump to record: Search took 0.00 seconds. 
Assessment of the efficiency of various consolidation agents based on the evaluation of changes of material properties of plaster from the Imperial Palace in the Karlštejn Castle
Slížková, Zuzana ; Drdácký, Miloš ; Hasníková, Hana ; Frankeová, Dita
The report describes the procedure of assessment of efficiency of four consolidation agents used on plaster from the Imperial Palace in the Karlštejn Castle. It includes photographic documentation and all the results with final evaluation and conclusion. Three non-destructive methods were used in-situ in the Karlštejn Castle – water absorption measurement by Karsten tube, water absorption measurement by microtube and so called peeling test. The locations and way of taking samples are mentioned in the report also. Mechanical tests, (compression test, three point bending test) have been performed on the samples and also bulk density, open porosity and water absorption of treated and untreated material according to ČSN EN 1015-10 have been investigated in laboratories of ITAM AS CR.
Material characteristics assessment of the stone sample from the decorative vase. Technical report
Slížková, Zuzana ; Zeman, Antonín ; Petráňová, Veronika ; Niedoba, Krzysztof ; Janotová, Dana ; Hasníková, Hana ; Frankeová, Dita
Two polished petrographic thin section sized 4x11mm and 5x10 mm were examined under polarizing microscope Zeiss NU 2. Pictures were taken by Olympus T 5060 camera.
Comparative testing of natural stones used as a building material
Hasníková, Hana ; Zíma, Pavel
Further presentation of some destructive and non-destructive methods for investigation of mechanical and humidity properties of natural stone quarried and used as a building material in Bohemia in the medieval ages is the aim of the paper.
Testing of mechanical properties of natural stones used as a building material
Hasníková, Hana
Further presentation of some destructive and non-destructive methods for investigation of mechanical properties of natural stone quarried and used as a building material in Bohemia in the past is the aim of the paper.

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