3D Geodesy
A case Study of Ejpovice Tunnel
Radek Fiala
University of West Bohemia, Faculty of Applied Sciences,
section of Geomatics
V-STARS/S technology
digital close range photogrammetry
Viewfinder
Wi-Fi
Shutter button
External flash
Internal flash
Lens f = 21 mm
Battery
high accuracy measurements of deformations or comparison of actual
performance of the product against its design.
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 attention
Follows: Jiří Pék – former student of Geomatics