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Report on the structural survey of Judith's Tower in Prague 1. Part II
Drdácký, Miloš ; Kloiber, Michal ; Frankl, Jiří ; Zíma, Pavel ; Wolf, Benjamin
For the intended restoration of the object, a survey of structures that show faults or for which knowledge of material characteristics is needed for calculations confirming the reliability of the structures was requested. During the implementation of the order, there were difficulties that affected the necessity of its execution in two stages. The user of the tower cooperated with the authors of this report without any problems, and therefore it was possible to carry out the work listed below in the necessary scope and quality.
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Monitoring the movement of the cemetery church Vsech svatych in Kutna Hora - Sedlec
Zíma, Pavel ; Drdácký, Miloš
The cemetery church Vsech svatych above the ossuary in Kutna Hora Sedlec is a part of a cultural monument of world importance. In view of the planned and later realized archaeological and construction activities in its immediate vicinity, there was a requirement to monitor in long-term its movements, especially the tilt of the towers and the entire building. The deformations of the floors in the ossuary signalized the possibility of the instability of the church's foundation and the danger of the appearance and development of faults in its masonry structures.
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A partial report on the structural survey of Judith's Tower in Prague 1
Drdácký, Miloš ; Eisler, Marek ; Zíma, Pavel
For the intended restoration of the object, a survey of structures that show faults or for which knowledge of material characteristics is needed for calculations confirming the reliability of the structures was requested. During the implementation of the order, there were difficulties that affected the necessity of its execution in two stages. The user of the tower cooperated with the authors of this report without any problems, and therefore it was possible to carry out the work listed below in the necessary scope and quality.
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Health monitoring of building structures: preliminary considerations on a case study
Bayer, Jan ; Urushadze, Shota ; Zíma, Pavel
Ageing, erosion, local damage or increase of the operating loads can decrease the reliability and load bearing capacity of building structures. Vibration monitoring may provide a promising solution of this problem, however robust health monitoring techniques are needed before wider practical applications. The presented analytical and experimental case study on a simple supported steel beam is an introductory practical investigation into this topic. It shows the sensitivity of chosen parameters to artificially induced damage and outlines possible directions or further research in conclusions. Special attention is paid to simultaneous monitoring of deformations and strains which can provide us with a useful information about the stress redistribution in monitored or tested structures.
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