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	Characterisation of historic mortars. Determination of characteristic properties with respect to repair Válek, Jan ; Slížková, Zuzana ; Zeman, Antonín ; Frolík, J. ; Bruthans, J. ; Chotěbor, P. ; Měchura, P. Paper presents approach to characterisation of historic mortars, which is a part of a project that aims at a development of an advanced parametrical data base of properties of historic mortars and renders. The project develops its own method of sampling and selects the information to be collected. Detailed record
	Historic materials – challenges and inspirations Drdácký, Miloš ; Slížková, Zuzana The paper presents selected examples of historic building materials analyses and at the same time the utilisation of results for the innovation in the field of material engineering. Particularly there are presented analyses of traces of historic surface paints on timber, investigations of historic lime mortars modified with burned clay and a study of present-day lime mortar with addition of metakaolin designed as repair mortar for renovation and replacement the historic mortar. Detailed record
	Analysis of mortar and stone samples extracted from the Charles Bridge in Prague Drdácký, Miloš ; Slížková, Zuzana The report summarizes detailed results of physical and chemical analyses of samples of medieval mortars and stones – sandstones and argillite – extracted form historical masonry of the Charles Bridge in Prague. Detailed record
	Contribution to technological survey of historical timber structures Drdácký, Miloš ; Slížková, Zuzana The paper deals with technological traces in surface layers of historical timber originated by crapenter work and tools and by chemical treatment against fire and biological decay. Detailed record
	Weathering processes on selected structural elements of St. Vitus´ cathedral at Prague Castle Zeman, Antonín ; Válek, Jan ; Slížková, Zuzana ; Korbelová, Z. The summary of results of treatment sulfor dioxide on pier of St. Vitus´Cathedral. The main used methods were macroscopic description with photodocumentation, petrographical research, research in polarization microscope and spectroscopy. Detailed record
	Design of a new mortar based on lime modified with pozzolanic materials for the repair of an historical exterior plaster floor at Karlštejn castle Slížková, Zuzana ; Drdácký, Miloš The result of the report is an assessment of key characteristics (mechanical properties, absorbtion, porosity, resistance to frost) of samples taken from a mortar applied on exterior plaster floor at Karlštejn Castle as a trial test performed in 2006. The results of performed tests and a recommendation for a next conservation strategy is presented. Detailed record
	Comments on practical application of metakaoline Slížková, Zuzana ; Bárta, J. ; Matal, L. The paper presents results of a development of a premixed lime binder modified with metakaoline.The example of practical application of lime putty in mixture with metakaoline for historical render restoration is presented. Detailed record
	Tests for desing of mortars and renders compatible with existing historic material Válek, Jan ; Slížková, Zuzana Design of masonry mortars and renders for repair of historic structures includes tests and testing procedures which serve for evaluation of compatibility between existing material and repair mixtures. Paper describes current possibilities of tests and analysis of historic and new mortars. The authors stem from published definitions of compatibility and emphasize a necessity to take into account also more detailed technical specifications, e.g. position of evaluated material in structure, type of structure, material exposure conditions, degree of deterioration of material and its ability to serve its original function. Detailed record
	Mechanical and physical tests on lime mortars with metakaolin and their suitability for repair of protected historic monuments Válek, Jan ; Slížková, Zuzana ; Zeman, Antonín Mechanical and physical tests on lime mortars with addition of metakaolin from new sources in the Czech Republic were carried out in the laboratories of the Institute of Theoretical and Applied Mechanics AV CR during 2004 to 2006. The tests results were used for design of optimised calcining temperature of kaolin, proportion of gauging between lime and metakaolin, and evaluation of influence of addition of Portland cement. Discussion of the results includes suitability of metakaolin gauged lime mortars for repair of historic monuments. Detailed record
	Modelový výzkum větru pro památkovou péči Pospíšil, Stanislav ; Drdácký, Miloš ; Slížková, Zuzana ; Lesák, Jaroslav ; Knotková, D. The paper presents by means of case studies some possibilities of wind tunnel model research into the action of wind on monuments. The first case describes investigations of the behaviour of gothic sandstone pinnacles during cyclic action of various combinations of climatic loads. Further, the problems of wind pressure and eddies and flow around historic buildings are presented. The last example studies surface degradation of complex architectural forms due to atmospheric pollution. Detailed record

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