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EN
Selected realized technological solutions of special engineering geodesy problems in the field of testing the building constructions and materials are presented in the article. The technological procedure of bridge supporting piers tilt precise measurement at Jezernice viaduct by means of the vault supports horizontal shift measurement in course of the loading test is described . Further the technology of deformation measurement of small specially strengthened vaults in course of destructive static loading tests, and also the methodology of long time deformation surveying of specially strengthened panel elements and the HEA steel profiles deformation surveying are presented, the results of which supply the data for the qualitative analyses by strength testing.
EN
Brno Trade Fair grounds belong to the largest ones in Czech Republic. Dominating the grounds is the ,"Z" pavilion of circular shape, covered over by steel grill dome with 93,5 m diameter. The pavilion was built up in 1958 after design of Prof. Lederer of Brno. BUT Department of geodesy had been measuring the deformations of the roof construction in course of the maintenance works in period December 2005 - July 2006. In course of altogether 8 measuring epochs the vertical and radial deformations of the construction caused by temperature changes, snow loading, and maintenance works influences had been determined. In the contribution the measuring methods employed, and the results of 8 epochs of the deformation surveys are presented.
3
Content available remote Quasigeoids for the territory of the Czech Republic and their testing
EN
Development of the quasigeoids on the territory of the Czech Republic with succesive icorporating of new gravimetric observations on the territory of the CR and data gained from the territories of neighbouring countries. Estimations of accuracy of individual models. Testing the models by employment of GPS/levelling results on the profile with maximum change of quasigeoid elevation and by comparing with the GPS/levelling results at test areas.
EN
ln a 1992 one of the first local geodynamic networks in Czech republic was established in czech-polish cooperation - the Sneźnik network. The network was designed as a model for testing of methodical and technological procedures for repeated satellite and classical geodetic measurements. Since 1992 several campaigns of GPS, EDM, levelling, gravimetric, astronomical and other measurements bad been carried out in the network within previous projects., Brno University of Technology had organized observation activities and carried out the measurements and processing of all campaigns in Czech part of the network. In years 1996 - 1998 the works in scope of the research project oriented on problems of the common processing of GPS and terrestrial measurements were carried out here in cooperation of TU Brno and Research Institute of Geodesy, Topography and Cartography Zdiby - Geodetic Observatory Pecny. This contribution gives overall history of measurements and describes the time evolution of the network points positions in time span of 8 years, estimated on ground of GPS data.
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