A 3-d laser scanning system and scan data processing method for the monitoring of tunnel deformations
-
Klaus Chmelina
,
Josef Jansa
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).
© 2012 by Walter de Gruyter Berlin Boston
Articles in the same Issue
- Masthead
- Editorial: Special Issue on Deformation Monitoring
- Model selection for system identification by means of artificial neural networks
- Adjustment of highly non-linear redundant systems of equations using a numerical, topology-based approach
- Optimized Kalman filter versus rigorous method in deformation analysis
- The application of the model of coordinate S-transformation for stability analysis of datum points in high-precision GPS deformation monitoring networks
- Velocity estimation of GPS base stations considering the coloured noises
- Spectral analysis of structural deformation – A case study
- Ambient vibration monitoring of slender structures by microwave interferometer remote sensing
- A 3-d laser scanning system and scan data processing method for the monitoring of tunnel deformations
- On the detection of systematic errors in terrestrial laser scanning data
- Point-based and plane-based deformation monitoring of indoor environments using terrestrial laser scanners
- Recurring mass movements on the Danube's bank at Dunaszekcső (Hungary) observed by geodetic methods
- Monitoring ground subsidence in Shanghai maglev area using two kinds of SAR data
- Monitoring of surface deformation in Dangxiong using PSInSAR technique
- IAG Commission 4: Mission and contributions to observing and modeling dynamic earth
Articles in the same Issue
- Masthead
- Editorial: Special Issue on Deformation Monitoring
- Model selection for system identification by means of artificial neural networks
- Adjustment of highly non-linear redundant systems of equations using a numerical, topology-based approach
- Optimized Kalman filter versus rigorous method in deformation analysis
- The application of the model of coordinate S-transformation for stability analysis of datum points in high-precision GPS deformation monitoring networks
- Velocity estimation of GPS base stations considering the coloured noises
- Spectral analysis of structural deformation – A case study
- Ambient vibration monitoring of slender structures by microwave interferometer remote sensing
- A 3-d laser scanning system and scan data processing method for the monitoring of tunnel deformations
- On the detection of systematic errors in terrestrial laser scanning data
- Point-based and plane-based deformation monitoring of indoor environments using terrestrial laser scanners
- Recurring mass movements on the Danube's bank at Dunaszekcső (Hungary) observed by geodetic methods
- Monitoring ground subsidence in Shanghai maglev area using two kinds of SAR data
- Monitoring of surface deformation in Dangxiong using PSInSAR technique
- IAG Commission 4: Mission and contributions to observing and modeling dynamic earth
