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Geodetic and Remote-Sensing Sensors for Dam Deformation Monitoring.
Marco Scaioni1,2, Maria Marsella3, Michele Crosetto4
1Department of Architecture, Built Environment and Construction Engineering (DABC), Politecnico di Milano, 20133 Milano, Italy. marco.scaioni@polimi.it.
Sensors (Basel, Switzerland)
|November 2, 2018
Summary
Advanced technologies like robotic total stations, GNSS, and remote sensing now offer automated, high-resolution dam displacement monitoring. This review covers current and experimental solutions for dam safety and deformation analysis.
Area of Science:
- Geodesy and Geotechnical Engineering
- Structural Health Monitoring
Background:
- Dam displacement measurement has significantly advanced with automation, improving temporal and spatial data resolution.
- Integrated monitoring systems offer strategic solutions for analyzing dam behavior in spatial and temporal contexts.
Purpose of the Study:
- To review available technologies for dam deformation monitoring, including routine and experimental solutions.
- To provide a comprehensive overview of current solutions and future trends in dam monitoring.
Main Methods:
- Utilizing robotic total stations and Global Navigation Satellite System (GNSS) for precise 3D displacement measurements.
- Employing remote-sensing techniques like terrestrial laser scanning and synthetic aperture radar (SAR) for broader structural observation.
- Integrating geodetic, remote-sensing, and geotechnical data with mechanical models for deformation analysis.
Main Results:
- Improved automation in dam displacement measurement leads to higher accuracy and reliability.
- Integrated systems enhance the analysis of dam behavior by combining diverse data sources.
- Advanced data processing tools are crucial for interpreting and predicting dam deformations.
Conclusions:
- A wide array of technologies, from in-situ sensors to remote sensing, are available for dam monitoring.
- The integration of various monitoring techniques and data processing advancements is key to effective dam safety management.
- Future trends point towards more sophisticated integrated systems for comprehensive dam health assessment.
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