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For tunnel construction, GEODATA has developed the optical 3D displacement measurement into a flexible and specialized geodetic measurement method that delivers the absolute spatial displacements of individual, specially marketed measurement points. The measurement results are used for the continuous monitoring of the deformation behaviour, the technical and economic optimization of the support means and the adaptation of the tunneling method for conventional construction methods.

Rockfall Pürgg

Gleinalmtunnel - full extension

Koralmtunnel

Metro Copenhagen

Measuring principle

The three-dimensional coordinates of arbitrarily arranged displacement points are determined through the optical trigonometric measurement of targets in repeated measurement periods in an absolute reference system. This is realized by a number of reference points that are recorded and assumed to be constant. The location of the measuring instrument is selected according to the best possible visibility conditions of the targets and reference points according to the principle of free stationing.

Evaluation

The recorded measurement data is transferred to an evaluation computer and processed with our EUPALINOS software. The results, relative shifts in relation to a zero measurement, are visualized in diagram form. A multitude of different display options helps the geotechnical engineer interpret these results. This method allows the detection of displacements depending on the measurement configuration with accuracies from < 1 mm to a few millimeters.

Kronos Link

The measurement data can also be automatically transferred to KRONOS and linked to data from other sensors.

KRONOS enables a wide range of graphical and numerical evaluations, data filtering and analysis as well as alarms and automatic PDF reporting.

Inquiry

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DI Markus Keszleri markus.keszleri@geodata.com CONTACT

Used Instruments, Systems & Software

Kronos

MEHR

Eupalinos

MEHR
Geodata
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