3d geodesy a case study of ejpovice tunnel radek fiala university of west bohemia, faculty of...
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3D Geodesy
A case Study of Ejpovice Tunnel
Radek FialaUniversity of West Bohemia, Faculty of Applied Sciences,
section of Geomatics
V-STARS/S technologydigital close range photogrammetry
high accuracy measurements of deformations or comparison of actual performance of the product against its design.
Wi-FiViewfinder
Internal flashBattery
External flash
Shutter button
Lens f = 21 mm
Francis turbine – ČKD Blansko
Ejpovice tunnel• Part of railway
Athens – Sofia –Wien – Prague –Nuremberg• 2 tubes,
each 4150 m long• Tube diameter 9,89 m• Allows travelling
speed up to 200km/h• Expected end of bulding: 2017
TBM – the „mole“
Segment manufacturing
Segment manufacturing
Segment manufacturing
Measurement preparation
Camera positions
Measured points
Measured points to CAD model differences
Measured points to CAD model differences
Measured points to CAD model differences
Thank you for attentionFollows: Jiří Pék – former student of Geomatics
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