National Repository of Grey Literature 102 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
Non-destructive survey of the oldest part of the castle in Telč
Drdácký, Miloš ; Eisler, Marek ; Lesák, Jaroslav ; Válek, Jan ; Skružná, Olga
Recent archaeological findings discovered at an excavation in the southeastern section of the small courtyard of the old palace at the state castle in Telč sparked interest in further exploring hidden structures below ground and within the existing masonry. Therefore, a non-destructive survey of structures hidden beneath the current level of the courtyard using ground-penetrating radar was conducted, as was a survey of the masonry within the old walls of the palace using thermography.
Monitoring of damage and failures in presentable hall of Fürstenberg Palace, Mala Strana, Prague
Drdácký, Miloš ; Zíma, Pavel
The report describes and analyses damage and failure of historic structures and relates them to a long term monitoring of movement in cracks and temperature fluctuations.
Fracture of glass panels above the study room in the library of the Czech Academy of Sciences
Drdácký, Miloš ; Hlobil, Michal
The report describes the current state of the damaged glass panels above the study room in the library of the Czech Academy of Sciences. The fractured glass panels are documented and a recommendation is given to minimize their future damage.
Assessment of the quality of wooden roof structure, ceiling structures in probes, joinery elements and masonry of the historic building named “Nove Probosstvi”, Prazsky Hrad, nam. sv. Jiri č.p. 34
Drdácký, Miloš ; Frankl, Jiří ; Kloiber, Michal
The report includes the results of the study focusing on the material properties of historical wooden roof structure and assessment of the state regarding the planned building reconstruction.
Material characterization of historical roofing slate tiles and assessment of the state regarding the planned building reconstruction.
Drdácký, Miloš ; Slížková, Zuzana ; Frankeová, Dita ; Hasníková, Hana ; Hauková, Petra ; Koudelková, Veronika ; Kozlovcev, Petr ; Valach, Jaroslav ; Wolf, Benjamin
The report includes the results of the study focusing on the material properties of historical roofing slate tiles and assessment of the state regarding the planned building reconstruction.
Material analyses of plaster samples of the historical building named “Nové Probošství”, Pražský hrad, nám. sv. Jiří č.p. 34.
Drdácký, Miloš ; Slížková, Zuzana ; Frankeová, Dita ; Hasníková, Hana ; Hauková, Petra ; Koudelková, Veronika ; Kozlovcev, Petr ; Ševčík, Radek ; Wolf, Benjamin
The report contains the results of the material analyses of plasters and stone samples taken from the facades and interior plasters of the historical building named “Nové Probošství” (Pražský hrad, nám. sv. Jiří č.p. 34).). The topic of the study was determination of the chemical composition and the microstructure of historical plasters and renders, sandstone petrography, porosity of materials by means of MIP, water absorption of plasters by tubes, the water content and the moisture distribution in masonry wall, the content and the chemical composition of water-soluble salts in plasters and renders. The results of the study serves as the basis for the future design of the building renovation and the restoration of the artistic elements.\n
Comprehensive research report to experimental work on fatigue crack initiation in the sandstone and research of influences of the consolidation for fracture behavior in cases of cracks
Šperl, Martin ; Drdácký, Miloš ; Jandejsek, Ivan
Fatigue crack initiation in the sandstone specimens (location – Božanov) was made using a resonant testing machine in three point bending mode. It produced the geometrically similar damage. Subsequent fracture tests made it possible to assess the effect of the consolidation solutions on fracture properties of the material investigated.
Assessment of masonry structures in the room No. 303 on the first floor of Upper Castle of Kunštát State Castle
Drdácký, Miloš ; Frankeová, Dita ; Kloiber, Michal ; Koudelková, Veronika ; Lesák, Jaroslav ; Válek, Jan ; Viani, Alberto
Non-destructive evaluation techniques have been adopted to assess the present situation of the walls with recently discovered frescoes in the rebuilt part of the castle. IR thermography, videoscope and ground penetrating radar were used for the classification of masonry, especially for the detection of hidden structural elements. Samples of historic mortars were analysed by thermal analysis and scanning electron microscopy. The analyses showed that binder of mortars consists of dolomitic lime.
The efficacy assessment of water repellent agent POLYMEMBRAN applied on natural stone and hardened lime mortar
Hasníková, Hana ; Mordanova, Anna ; Drdácký, Miloš ; Slížková, Zuzana
The subject of the study was assess the influence of water repellent agent on the properties of four different natural stones that are frequently used building material in the Czech Republic. Besides color change were primarily assessed changes in the microstructure, which significantly influences the transport of water and water vapour through treated material.
Verification tests of position of re-bars on selected construction elements by GPR method
Válek, Jan ; Drdácký, Miloš ; Urushadze, Shota
Assessment of application of a ground penetration radar for detection of re-bars on selected reinforced concrete elements of an industrial car assembly hall. Based on the results, the GPR was not selected as a suitable NDT method for this specific case.

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