3D imaging and analysis system for digital tunnel face documentation during hard rock tunnelling with a TBM.
The system comprises the following features:
New Generation TBM camera! more…
An autonomous imaging unit is installed at inspection openings during maintenance shift.
Turning the cutter head captures a circular video.
Advanced software generates scaled and oriented 3D images from which measurements are taken.
The use of data acquisition systems such as ShapeMetriX TBM (hardware, software) with data collected in a cutter head of a tunnel boring machine (TBM) is protected by an industrial property right no EP 3 028 006 in some countries.
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Quantification of single block detachments from the tunnel face by volume (top right) or depth (bottom right)
Configurable topographic maps for visualising single block detachments from the face resp. the planarity over the entire 3D ring. Each colour represents an interval of 10 cm.
Quantification of overbreak exceeding a specified limit. Values in square metre and percentage of the entire area.
Interactive and semi-automatic tools for rock mass characterisation.