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Journal of Applied Geodesy

Editor-in-Chief: Kahmen, Heribert / Rizos, Chris

4 Issues per year


CiteScore 2017: 1.23

SCImago Journal Rank (SJR) 2017: 0.445
Source Normalized Impact per Paper (SNIP) 2017: 1.357

Online
ISSN
1862-9024
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Volume 6, Issue 3-4

Issues

A 3-d laser scanning system and scan data processing method for the monitoring of tunnel deformations

Klaus Chmelina / Josef Jansa / Gerd Hesina / Christoph Traxler
Published Online: 2012-11-21 | DOI: https://doi.org/10.1515/jag-2012-0013

Abstract.

The paper presents the mobile multi-sensor system Orthos Plus for the monitoring and mapping of tunnel walls, a scan data processing method for the evaluation of 3-d tunnel wall displacements from subsequent wall scans and, finally, a virtual reality tool supporting the interpretation of data. The measuring system consists of a 3-d laser scanner, a motorised total station and a digital camera that are integrated on a light metal frame that is installed on a mobile platform. It has been designed to perform tunnel measurements most efficiently and to meet the special requirements of tunnels under construction. The evaluation of 3-d displacements is based on a 3-d matching algorithm that takes advantage of the particular conditions of tunnel (shotcrete) surfaces. The virtual reality tool allows viewing of data in a 3-d virtual reality tunnel model and their animation in time and space in order supports understanding in an optimal way. The measuring system Orthos Plus has been developed in the course of a national research project, the 3-d matching method in the frame of the Austrian Christian Doppler Laboratory Spatial Data from Laser Scanning and Remote Sensing and the VR tool in the Austrian COMET K1 Competence Center VRVis Center (www.vrvis.at).

Keywords: 3-d laser scanning; mobile multi sensor system; tunnel deformation monitoring; virtual reality

About the article

Received: 2012-03-16

Accepted: 2012-08-24

Published Online: 2012-11-21

Published in Print: 2012-11-01


Citation Information: Journal of Applied Geodesy, Volume 6, Issue 3-4, Pages 177–185, ISSN (Online) 1862-9024, ISSN (Print) 1862-9016, DOI: https://doi.org/10.1515/jag-2012-0013.

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